388804545

素因数分解:

$3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{1019}}^1$

素因数の和:1230

約数の個数: 48

約数和(自身を含む): 690580800

約数和(自身を除く): 301776255

約数列:

[1, 3, 5, 9, 15, 45, 61, 139, 183, 305, 417, 549, 695, 915, 1019, 1251, 2085, 2745, 3057, 5095, 6255, 8479, 9171, 15285, 25437, 42395, 45855, 62159, 76311, 127185, 141641, 186477, 310795, 381555, 424923, 559431, 708205, 932385, 1274769, 2124615, 2797155, 6373845, 8640101, 25920303, 43200505, 77760909, 129601515, 388804545]

約数ペア:

[(1, 388804545), (3, 129601515), (5, 77760909), (9, 43200505), (15, 25920303), (45, 8640101), (61, 6373845), (139, 2797155), (183, 2124615), (305, 1274769), (417, 932385), (549, 708205), (695, 559431), (915, 424923), (1019, 381555), (1251, 310795), (2085, 186477), (2745, 141641), (3057, 127185), (5095, 76311), (6255, 62159), (8479, 45855), (9171, 42395), (15285, 25437)]