64389945

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{2347}}^1$

素因数の和:2445

約数の個数: 32

約数和(自身を含む): 108195840

約数和(自身を除く): 43805895

約数列:

[1, 3, 5, 15, 31, 59, 93, 155, 177, 295, 465, 885, 1829, 2347, 5487, 7041, 9145, 11735, 27435, 35205, 72757, 138473, 218271, 363785, 415419, 692365, 1091355, 2077095, 4292663, 12877989, 21463315, 64389945]

約数ペア:

[(1, 64389945), (3, 21463315), (5, 12877989), (15, 4292663), (31, 2077095), (59, 1091355), (93, 692365), (155, 415419), (177, 363785), (295, 218271), (465, 138473), (885, 72757), (1829, 35205), (2347, 27435), (5487, 11735), (7041, 9145)]