15123915

素因数分解:

$3^4\times 5^1\times {\mathrm{107}}^1\times {\mathrm{349}}^1$

素因数の和:473

約数の個数: 40

約数和(自身を含む): 27442800

約数和(自身を除く): 12318885

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 107, 135, 321, 349, 405, 535, 963, 1047, 1605, 1745, 2889, 3141, 4815, 5235, 8667, 9423, 14445, 15705, 28269, 37343, 43335, 47115, 112029, 141345, 186715, 336087, 560145, 1008261, 1680435, 3024783, 5041305, 15123915]

約数ペア:

[(1, 15123915), (3, 5041305), (5, 3024783), (9, 1680435), (15, 1008261), (27, 560145), (45, 336087), (81, 186715), (107, 141345), (135, 112029), (321, 47115), (349, 43335), (405, 37343), (535, 28269), (963, 15705), (1047, 14445), (1605, 9423), (1745, 8667), (2889, 5235), (3141, 4815)]