858495555

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{21221}}^1$

素因数の和:21292

約数の個数: 48

約数和(自身を含む): 1589103360

約数和(自身を除く): 730607805

約数列:

[1, 3, 5, 9, 15, 29, 31, 45, 87, 93, 145, 155, 261, 279, 435, 465, 899, 1305, 1395, 2697, 4495, 8091, 13485, 21221, 40455, 63663, 106105, 190989, 318315, 615409, 657851, 954945, 1846227, 1973553, 3077045, 3289255, 5538681, 5920659, 9231135, 9867765, 19077679, 27693405, 29603295, 57233037, 95388395, 171699111, 286165185, 858495555]

約数ペア:

[(1, 858495555), (3, 286165185), (5, 171699111), (9, 95388395), (15, 57233037), (29, 29603295), (31, 27693405), (45, 19077679), (87, 9867765), (93, 9231135), (145, 5920659), (155, 5538681), (261, 3289255), (279, 3077045), (435, 1973553), (465, 1846227), (899, 954945), (1305, 657851), (1395, 615409), (2697, 318315), (4495, 190989), (8091, 106105), (13485, 63663), (21221, 40455)]