85707885

素因数分解:

$3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{179}}^1\times {\mathrm{233}}^1$

素因数の和:557

約数の個数: 32

約数和(自身を含む): 139501440

約数和(自身を除く): 53793555

約数列:

[1, 3, 5, 15, 137, 179, 233, 411, 537, 685, 699, 895, 1165, 2055, 2685, 3495, 24523, 31921, 41707, 73569, 95763, 122615, 125121, 159605, 208535, 367845, 478815, 625605, 5713859, 17141577, 28569295, 85707885]

約数ペア:

[(1, 85707885), (3, 28569295), (5, 17141577), (15, 5713859), (137, 625605), (179, 478815), (233, 367845), (411, 208535), (537, 159605), (685, 125121), (699, 122615), (895, 95763), (1165, 73569), (2055, 41707), (2685, 31921), (3495, 24523)]