25470081

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{227}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 45811584

約数和(自身を除く): 20341503

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 137, 227, 273, 411, 681, 819, 959, 1233, 1589, 1781, 2043, 2877, 2951, 4767, 5343, 8631, 8853, 12467, 14301, 16029, 20657, 26559, 31099, 37401, 61971, 93297, 112203, 185913, 217693, 279891, 404287, 653079, 1212861, 1959237, 2830009, 3638583, 8490027, 25470081]

約数ペア:

[(1, 25470081), (3, 8490027), (7, 3638583), (9, 2830009), (13, 1959237), (21, 1212861), (39, 653079), (63, 404287), (91, 279891), (117, 217693), (137, 185913), (227, 112203), (273, 93297), (411, 61971), (681, 37401), (819, 31099), (959, 26559), (1233, 20657), (1589, 16029), (1781, 14301), (2043, 12467), (2877, 8853), (2951, 8631), (4767, 5343)]