25878741

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{821}}^1$

素因数の和:929

約数の個数: 32

約数和(自身を含む): 42086400

約数和(自身を除く): 16207659

約数列:

[1, 3, 7, 19, 21, 57, 79, 133, 237, 399, 553, 821, 1501, 1659, 2463, 4503, 5747, 10507, 15599, 17241, 31521, 46797, 64859, 109193, 194577, 327579, 454013, 1232321, 1362039, 3696963, 8626247, 25878741]

約数ペア:

[(1, 25878741), (3, 8626247), (7, 3696963), (19, 1362039), (21, 1232321), (57, 454013), (79, 327579), (133, 194577), (237, 109193), (399, 64859), (553, 46797), (821, 31521), (1501, 17241), (1659, 15599), (2463, 10507), (4503, 5747)]