27965730

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71707}}^1$

素因数の和:71730

約数の個数: 32

約数和(自身を含む): 72281664

約数和(自身を除く): 44315934

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 71707, 143414, 215121, 358535, 430242, 717070, 932191, 1075605, 1864382, 2151210, 2796573, 4660955, 5593146, 9321910, 13982865, 27965730]

約数ペア:

[(1, 27965730), (2, 13982865), (3, 9321910), (5, 5593146), (6, 4660955), (10, 2796573), (13, 2151210), (15, 1864382), (26, 1075605), (30, 932191), (39, 717070), (65, 430242), (78, 358535), (130, 215121), (195, 143414), (390, 71707)]