72745855

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2621}}^1$

素因数の和:2707

約数の個数: 32

約数和(自身を含む): 109243008

約数和(自身を除く): 36497153

約数列:

[1, 5, 7, 13, 35, 61, 65, 91, 305, 427, 455, 793, 2135, 2621, 3965, 5551, 13105, 18347, 27755, 34073, 91735, 159881, 170365, 238511, 799405, 1119167, 1192555, 2078453, 5595835, 10392265, 14549171, 72745855]

約数ペア:

[(1, 72745855), (5, 14549171), (7, 10392265), (13, 5595835), (35, 2078453), (61, 1192555), (65, 1119167), (91, 799405), (305, 238511), (427, 170365), (455, 159881), (793, 91735), (2135, 34073), (2621, 27755), (3965, 18347), (5551, 13105)]