12787515

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{21859}}^1$

素因数の和:21883

約数の個数: 24

約数和(自身を含む): 23871120

約数和(自身を除く): 11083605

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 21859, 65577, 109295, 196731, 284167, 327885, 852501, 983655, 1420835, 2557503, 4262505, 12787515]

約数ペア:

[(1, 12787515), (3, 4262505), (5, 2557503), (9, 1420835), (13, 983655), (15, 852501), (39, 327885), (45, 284167), (65, 196731), (117, 109295), (195, 65577), (585, 21859)]