31405257

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{3677}}^1$

素因数の和:3769

約数の個数: 24

約数和(自身を含む): 49535304

約数和(自身を除く): 18130047

約数列:

[1, 3, 9, 13, 39, 73, 117, 219, 657, 949, 2847, 3677, 8541, 11031, 33093, 47801, 143403, 268421, 430209, 805263, 2415789, 3489473, 10468419, 31405257]

約数ペア:

[(1, 31405257), (3, 10468419), (9, 3489473), (13, 2415789), (39, 805263), (73, 430209), (117, 268421), (219, 143403), (657, 47801), (949, 33093), (2847, 11031), (3677, 8541)]