51497775

素因数分解:

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

素因数の和:212

約数の個数: 108

約数和(自身を含む): 111914712

約数和(自身を除く): 60416937

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 49, 63, 75, 81, 105, 135, 147, 173, 175, 189, 225, 243, 245, 315, 405, 441, 519, 525, 567, 675, 735, 865, 945, 1211, 1215, 1225, 1323, 1557, 1575, 1701, 2025, 2205, 2595, 2835, 3633, 3675, 3969, 4325, 4671, 4725, 6055, 6075, 6615, 7785, 8477, 8505, 10899, 11025, 11907, 12975, 14013, 14175, 18165, 19845, 23355, 25431, 30275, 32697, 33075, 38925, 42039, 42385, 42525, 54495, 59535, 70065, 76293, 90825, 98091, 99225, 116775, 127155, 163485, 210195, 211925, 228879, 272475, 294273, 297675, 350325, 381465, 490455, 635775, 686637, 817425, 1050975, 1144395, 1471365, 1907325, 2059911, 2452275, 3433185, 5721975, 7356825, 10299555, 17165925, 51497775]

約数ペア:

[(1, 51497775), (3, 17165925), (5, 10299555), (7, 7356825), (9, 5721975), (15, 3433185), (21, 2452275), (25, 2059911), (27, 1907325), (35, 1471365), (45, 1144395), (49, 1050975), (63, 817425), (75, 686637), (81, 635775), (105, 490455), (135, 381465), (147, 350325), (173, 297675), (175, 294273), (189, 272475), (225, 228879), (243, 211925), (245, 210195), (315, 163485), (405, 127155), (441, 116775), (519, 99225), (525, 98091), (567, 90825), (675, 76293), (735, 70065), (865, 59535), (945, 54495), (1211, 42525), (1215, 42385), (1225, 42039), (1323, 38925), (1557, 33075), (1575, 32697), (1701, 30275), (2025, 25431), (2205, 23355), (2595, 19845), (2835, 18165), (3633, 14175), (3675, 14013), (3969, 12975), (4325, 11907), (4671, 11025), (4725, 10899), (6055, 8505), (6075, 8477), (6615, 7785)]