2631291

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1$

素因数の和:155

約数の個数: 32

約数和(自身を含む): 4112640

約数和(自身を除く): 1481349

約数列:

[1, 3, 13, 19, 39, 53, 57, 67, 159, 201, 247, 689, 741, 871, 1007, 1273, 2067, 2613, 3021, 3551, 3819, 10653, 13091, 16549, 39273, 46163, 49647, 67469, 138489, 202407, 877097, 2631291]

約数ペア:

[(1, 2631291), (3, 877097), (13, 202407), (19, 138489), (39, 67469), (53, 49647), (57, 46163), (67, 39273), (159, 16549), (201, 13091), (247, 10653), (689, 3819), (741, 3551), (871, 3021), (1007, 2613), (1273, 2067)]