641572125

素因数分解:

$3^1\times 5^3\times {\mathrm{31}}^1\times {\mathrm{229}}^1\times {\mathrm{241}}^1$

素因数の和:519

約数の個数: 64

約数和(自身を含む): 1111418880

約数和(自身を除く): 469846755

約数列:

[1, 3, 5, 15, 25, 31, 75, 93, 125, 155, 229, 241, 375, 465, 687, 723, 775, 1145, 1205, 2325, 3435, 3615, 3875, 5725, 6025, 7099, 7471, 11625, 17175, 18075, 21297, 22413, 28625, 30125, 35495, 37355, 55189, 85875, 90375, 106485, 112065, 165567, 177475, 186775, 275945, 532425, 560325, 827835, 887375, 933875, 1379725, 1710859, 2662125, 2801625, 4139175, 5132577, 6898625, 8554295, 20695875, 25662885, 42771475, 128314425, 213857375, 641572125]

約数ペア:

[(1, 641572125), (3, 213857375), (5, 128314425), (15, 42771475), (25, 25662885), (31, 20695875), (75, 8554295), (93, 6898625), (125, 5132577), (155, 4139175), (229, 2801625), (241, 2662125), (375, 1710859), (465, 1379725), (687, 933875), (723, 887375), (775, 827835), (1145, 560325), (1205, 532425), (2325, 275945), (3435, 186775), (3615, 177475), (3875, 165567), (5725, 112065), (6025, 106485), (7099, 90375), (7471, 85875), (11625, 55189), (17175, 37355), (18075, 35495), (21297, 30125), (22413, 28625)]