159871491

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71917}}^1$

素因数の和:71955

約数の個数: 24

約数和(自身を含む): 261781520

約数和(自身を除く): 101910029

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 741, 2223, 71917, 215751, 647253, 934921, 1366423, 2804763, 4099269, 8414289, 12297807, 17763499, 53290497, 159871491]

約数ペア:

[(1, 159871491), (3, 53290497), (9, 17763499), (13, 12297807), (19, 8414289), (39, 4099269), (57, 2804763), (117, 1366423), (171, 934921), (247, 647253), (741, 215751), (2223, 71917)]