2920491

素因数分解:

$3^2\times 7^1\times {\mathrm{151}}^1\times {\mathrm{307}}^1$

素因数の和:471

約数の個数: 24

約数和(自身を含む): 4868864

約数和(自身を除く): 1948373

約数列:

[1, 3, 7, 9, 21, 63, 151, 307, 453, 921, 1057, 1359, 2149, 2763, 3171, 6447, 9513, 19341, 46357, 139071, 324499, 417213, 973497, 2920491]

約数ペア:

[(1, 2920491), (3, 973497), (7, 417213), (9, 324499), (21, 139071), (63, 46357), (151, 19341), (307, 9513), (453, 6447), (921, 3171), (1057, 2763), (1359, 2149)]