3931503885

素因数分解:

$3^4\times 5^1\times {\mathrm{1997}}^1\times {\mathrm{4861}}^1$

素因数の和:6875

約数の個数: 40

約数和(自身を含む): 7052564376

約数和(自身を除く): 3121060491

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 1997, 4861, 5991, 9985, 14583, 17973, 24305, 29955, 43749, 53919, 72915, 89865, 131247, 161757, 218745, 269595, 393741, 656235, 808785, 1968705, 9707417, 29122251, 48537085, 87366753, 145611255, 262100259, 436833765, 786300777, 1310501295, 3931503885]

約数ペア:

[(1, 3931503885), (3, 1310501295), (5, 786300777), (9, 436833765), (15, 262100259), (27, 145611255), (45, 87366753), (81, 48537085), (135, 29122251), (405, 9707417), (1997, 1968705), (4861, 808785), (5991, 656235), (9985, 393741), (14583, 269595), (17973, 218745), (24305, 161757), (29955, 131247), (43749, 89865), (53919, 72915)]