858643425

素因数分解:

$3^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{257}}^1\times {\mathrm{479}}^1$

素因数の和:783

約数の個数: 72

約数和(自身を含む): 1597040640

約数和(自身を除く): 738397215

約数列:

[1, 3, 5, 9, 15, 25, 31, 45, 75, 93, 155, 225, 257, 279, 465, 479, 771, 775, 1285, 1395, 1437, 2313, 2325, 2395, 3855, 4311, 6425, 6975, 7185, 7967, 11565, 11975, 14849, 19275, 21555, 23901, 35925, 39835, 44547, 57825, 71703, 74245, 107775, 119505, 123103, 133641, 199175, 222735, 358515, 369309, 371225, 597525, 615515, 668205, 1107927, 1113675, 1792575, 1846545, 3077575, 3341025, 3816193, 5539635, 9232725, 11448579, 19080965, 27698175, 34345737, 57242895, 95404825, 171728685, 286214475, 858643425]

約数ペア:

[(1, 858643425), (3, 286214475), (5, 171728685), (9, 95404825), (15, 57242895), (25, 34345737), (31, 27698175), (45, 19080965), (75, 11448579), (93, 9232725), (155, 5539635), (225, 3816193), (257, 3341025), (279, 3077575), (465, 1846545), (479, 1792575), (771, 1113675), (775, 1107927), (1285, 668205), (1395, 615515), (1437, 597525), (2313, 371225), (2325, 369309), (2395, 358515), (3855, 222735), (4311, 199175), (6425, 133641), (6975, 123103), (7185, 119505), (7967, 107775), (11565, 74245), (11975, 71703), (14849, 57825), (19275, 44547), (21555, 39835), (23901, 35925)]