15996825

素因数分解:

$3^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1823}}^1$

素因数の和:1855

約数の個数: 48

約数和(自身を含む): 31664640

約数和(自身を除く): 15667815

約数列:

[1, 3, 5, 9, 13, 15, 25, 27, 39, 45, 65, 75, 117, 135, 195, 225, 325, 351, 585, 675, 975, 1755, 1823, 2925, 5469, 8775, 9115, 16407, 23699, 27345, 45575, 49221, 71097, 82035, 118495, 136725, 213291, 246105, 355485, 410175, 592475, 639873, 1066455, 1230525, 1777425, 3199365, 5332275, 15996825]

約数ペア:

[(1, 15996825), (3, 5332275), (5, 3199365), (9, 1777425), (13, 1230525), (15, 1066455), (25, 639873), (27, 592475), (39, 410175), (45, 355485), (65, 246105), (75, 213291), (117, 136725), (135, 118495), (195, 82035), (225, 71097), (325, 49221), (351, 45575), (585, 27345), (675, 23699), (975, 16407), (1755, 9115), (1823, 8775), (2925, 5469)]