13263159

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2557}}^1$

素因数の和:2599

約数の個数: 32

約数和(自身を含む): 22919680

約数和(自身を除く): 9656521

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 133, 247, 273, 399, 741, 1729, 2557, 5187, 7671, 17899, 33241, 48583, 53697, 99723, 145749, 232687, 340081, 631579, 698061, 1020243, 1894737, 4421053, 13263159]

約数ペア:

[(1, 13263159), (3, 4421053), (7, 1894737), (13, 1020243), (19, 698061), (21, 631579), (39, 340081), (57, 232687), (91, 145749), (133, 99723), (247, 53697), (273, 48583), (399, 33241), (741, 17899), (1729, 7671), (2557, 5187)]