15712905

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{4241}}^1$

素因数の和:4281

約数の個数: 32

約数和(自身を含む): 28506240

約数和(自身を除く): 12793335

約数列:

[1, 3, 5, 13, 15, 19, 39, 57, 65, 95, 195, 247, 285, 741, 1235, 3705, 4241, 12723, 21205, 55133, 63615, 80579, 165399, 241737, 275665, 402895, 826995, 1047527, 1208685, 3142581, 5237635, 15712905]

約数ペア:

[(1, 15712905), (3, 5237635), (5, 3142581), (13, 1208685), (15, 1047527), (19, 826995), (39, 402895), (57, 275665), (65, 241737), (95, 165399), (195, 80579), (247, 63615), (285, 55133), (741, 21205), (1235, 12723), (3705, 4241)]