12821488875

素因数分解:

$3^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{439}}^1\times {\mathrm{1997}}^1$

素因数の和:2470

約数の個数: 96

約数和(自身を含む): 24959975040

約数和(自身を除く): 12138486165

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 117, 125, 195, 225, 325, 375, 439, 585, 975, 1125, 1317, 1625, 1997, 2195, 2925, 3951, 4875, 5707, 5991, 6585, 9985, 10975, 14625, 17121, 17973, 19755, 25961, 28535, 29955, 32925, 49925, 51363, 54875, 77883, 85605, 89865, 98775, 129805, 142675, 149775, 164625, 233649, 249625, 256815, 389415, 428025, 449325, 493875, 649025, 713375, 748875, 876683, 1168245, 1284075, 1947075, 2140125, 2246625, 2630049, 3245125, 4383415, 5841225, 6420375, 7890147, 9735375, 11396879, 13150245, 21917075, 29206125, 34190637, 39450735, 56984395, 65751225, 102571911, 109585375, 170953185, 197253675, 284921975, 328756125, 512859555, 854765925, 986268375, 1424609875, 2564297775, 4273829625, 12821488875]

約数ペア:

[(1, 12821488875), (3, 4273829625), (5, 2564297775), (9, 1424609875), (13, 986268375), (15, 854765925), (25, 512859555), (39, 328756125), (45, 284921975), (65, 197253675), (75, 170953185), (117, 109585375), (125, 102571911), (195, 65751225), (225, 56984395), (325, 39450735), (375, 34190637), (439, 29206125), (585, 21917075), (975, 13150245), (1125, 11396879), (1317, 9735375), (1625, 7890147), (1997, 6420375), (2195, 5841225), (2925, 4383415), (3951, 3245125), (4875, 2630049), (5707, 2246625), (5991, 2140125), (6585, 1947075), (9985, 1284075), (10975, 1168245), (14625, 876683), (17121, 748875), (17973, 713375), (19755, 649025), (25961, 493875), (28535, 449325), (29955, 428025), (32925, 389415), (49925, 256815), (51363, 249625), (54875, 233649), (77883, 164625), (85605, 149775), (89865, 142675), (98775, 129805)]