87951555

素因数分解:

$3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:305

約数の個数: 64

約数和(自身を含む): 162624000

約数和(自身を除く): 74672445

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 109, 129, 135, 139, 215, 327, 387, 417, 545, 645, 695, 981, 1161, 1251, 1635, 1935, 2085, 2943, 3753, 4687, 4905, 5805, 5977, 6255, 14061, 14715, 15151, 17931, 18765, 23435, 29885, 42183, 45453, 53793, 70305, 75755, 89655, 126549, 136359, 161379, 210915, 227265, 268965, 409077, 632745, 651493, 681795, 806895, 1954479, 2045385, 3257465, 5863437, 9772395, 17590311, 29317185, 87951555]

約数ペア:

[(1, 87951555), (3, 29317185), (5, 17590311), (9, 9772395), (15, 5863437), (27, 3257465), (43, 2045385), (45, 1954479), (109, 806895), (129, 681795), (135, 651493), (139, 632745), (215, 409077), (327, 268965), (387, 227265), (417, 210915), (545, 161379), (645, 136359), (695, 126549), (981, 89655), (1161, 75755), (1251, 70305), (1635, 53793), (1935, 45453), (2085, 42183), (2943, 29885), (3753, 23435), (4687, 18765), (4905, 17931), (5805, 15151), (5977, 14715), (6255, 14061)]