211713075

素因数分解:

$3^3\times 5^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{173}}^1$

素因数の和:243

約数の個数: 144

約数和(自身を含む): 467336160

約数和(自身を除く): 255623085

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 37, 45, 49, 63, 75, 105, 111, 135, 147, 173, 175, 185, 189, 225, 245, 259, 315, 333, 441, 519, 525, 555, 675, 735, 777, 865, 925, 945, 999, 1211, 1225, 1295, 1323, 1557, 1575, 1665, 1813, 2205, 2331, 2595, 2775, 3633, 3675, 3885, 4325, 4671, 4725, 4995, 5439, 6055, 6401, 6475, 6615, 6993, 7785, 8325, 8477, 9065, 10899, 11025, 11655, 12975, 16317, 18165, 19203, 19425, 23355, 24975, 25431, 27195, 30275, 32005, 32697, 33075, 34965, 38925, 42385, 44807, 45325, 48951, 54495, 57609, 58275, 76293, 81585, 90825, 96015, 116775, 127155, 134421, 135975, 160025, 163485, 172827, 174825, 211925, 224035, 228879, 244755, 272475, 288045, 313649, 381465, 403263, 407925, 480075, 635775, 672105, 817425, 864135, 940947, 1120175, 1144395, 1209789, 1223775, 1440225, 1568245, 1907325, 2016315, 2822841, 3360525, 4320675, 4704735, 5721975, 6048945, 7841225, 8468523, 10081575, 14114205, 23523675, 30244725, 42342615, 70571025, 211713075]

約数ペア:

[(1, 211713075), (3, 70571025), (5, 42342615), (7, 30244725), (9, 23523675), (15, 14114205), (21, 10081575), (25, 8468523), (27, 7841225), (35, 6048945), (37, 5721975), (45, 4704735), (49, 4320675), (63, 3360525), (75, 2822841), (105, 2016315), (111, 1907325), (135, 1568245), (147, 1440225), (173, 1223775), (175, 1209789), (185, 1144395), (189, 1120175), (225, 940947), (245, 864135), (259, 817425), (315, 672105), (333, 635775), (441, 480075), (519, 407925), (525, 403263), (555, 381465), (675, 313649), (735, 288045), (777, 272475), (865, 244755), (925, 228879), (945, 224035), (999, 211925), (1211, 174825), (1225, 172827), (1295, 163485), (1323, 160025), (1557, 135975), (1575, 134421), (1665, 127155), (1813, 116775), (2205, 96015), (2331, 90825), (2595, 81585), (2775, 76293), (3633, 58275), (3675, 57609), (3885, 54495), (4325, 48951), (4671, 45325), (4725, 44807), (4995, 42385), (5439, 38925), (6055, 34965), (6401, 33075), (6475, 32697), (6615, 32005), (6993, 30275), (7785, 27195), (8325, 25431), (8477, 24975), (9065, 23355), (10899, 19425), (11025, 19203), (11655, 18165), (12975, 16317)]