2155114575

素因数分解:

$3^2\times 5^2\times {\mathrm{31}}^2\times {\mathrm{9967}}^1$

素因数の和:10045

約数の個数: 54

約数和(自身を含む): 3988984272

約数和(自身を除く): 1833869697

約数列:

[1, 3, 5, 9, 15, 25, 31, 45, 75, 93, 155, 225, 279, 465, 775, 961, 1395, 2325, 2883, 4805, 6975, 8649, 9967, 14415, 24025, 29901, 43245, 49835, 72075, 89703, 149505, 216225, 249175, 308977, 448515, 747525, 926931, 1544885, 2242575, 2780793, 4634655, 7724425, 9578287, 13903965, 23173275, 28734861, 47891435, 69519825, 86204583, 143674305, 239457175, 431022915, 718371525, 2155114575]

約数ペア:

[(1, 2155114575), (3, 718371525), (5, 431022915), (9, 239457175), (15, 143674305), (25, 86204583), (31, 69519825), (45, 47891435), (75, 28734861), (93, 23173275), (155, 13903965), (225, 9578287), (279, 7724425), (465, 4634655), (775, 2780793), (961, 2242575), (1395, 1544885), (2325, 926931), (2883, 747525), (4805, 448515), (6975, 308977), (8649, 249175), (9967, 216225), (14415, 149505), (24025, 89703), (29901, 72075), (43245, 49835)]