64491225

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{271}}^1$

素因数の和:470

約数の個数: 48

約数和(自身を含む): 113326080

約数和(自身を除く): 48834855

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 167, 271, 285, 475, 501, 813, 835, 1355, 1425, 2505, 3173, 4065, 4175, 5149, 6775, 9519, 12525, 15447, 15865, 20325, 25745, 45257, 47595, 77235, 79325, 128725, 135771, 226285, 237975, 386175, 678855, 859883, 1131425, 2579649, 3394275, 4299415, 12898245, 21497075, 64491225]

約数ペア:

[(1, 64491225), (3, 21497075), (5, 12898245), (15, 4299415), (19, 3394275), (25, 2579649), (57, 1131425), (75, 859883), (95, 678855), (167, 386175), (271, 237975), (285, 226285), (475, 135771), (501, 128725), (813, 79325), (835, 77235), (1355, 47595), (1425, 45257), (2505, 25745), (3173, 20325), (4065, 15865), (4175, 15447), (5149, 12525), (6775, 9519)]