20161125855

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{11487821}}^1$

素因数の和:11487848

約数の個数: 32

約数和(自身を含む): 38599081920

約数和(自身を除く): 18437956065

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 117, 135, 195, 351, 585, 1755, 11487821, 34463463, 57439105, 103390389, 149341673, 172317315, 310171167, 448025019, 516951945, 746708365, 1344075057, 1550855835, 2240125095, 4032225171, 6720375285, 20161125855]

約数ペア:

[(1, 20161125855), (3, 6720375285), (5, 4032225171), (9, 2240125095), (13, 1550855835), (15, 1344075057), (27, 746708365), (39, 516951945), (45, 448025019), (65, 310171167), (117, 172317315), (135, 149341673), (195, 103390389), (351, 57439105), (585, 34463463), (1755, 11487821)]