15257275

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{509}}^1$

素因数の和:639

約数の個数: 24

約数和(自身を含む): 20869200

約数和(自身を除く): 5611925

約数列:

[1, 5, 11, 25, 55, 109, 275, 509, 545, 1199, 2545, 2725, 5599, 5995, 12725, 27995, 29975, 55481, 139975, 277405, 610291, 1387025, 3051455, 15257275]

約数ペア:

[(1, 15257275), (5, 3051455), (11, 1387025), (25, 610291), (55, 277405), (109, 139975), (275, 55481), (509, 29975), (545, 27995), (1199, 12725), (2545, 5995), (2725, 5599)]