28457715

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{13267}}^1$

素因数の和:13299

約数の個数: 32

約数和(自身を含む): 53496576

約数和(自身を除く): 25038861

約数列:

[1, 3, 5, 11, 13, 15, 33, 39, 55, 65, 143, 165, 195, 429, 715, 2145, 13267, 39801, 66335, 145937, 172471, 199005, 437811, 517413, 729685, 862355, 1897181, 2189055, 2587065, 5691543, 9485905, 28457715]

約数ペア:

[(1, 28457715), (3, 9485905), (5, 5691543), (11, 2587065), (13, 2189055), (15, 1897181), (33, 862355), (39, 729685), (55, 517413), (65, 437811), (143, 199005), (165, 172471), (195, 145937), (429, 66335), (715, 39801), (2145, 13267)]