13204905

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{6619}}^1$

素因数の和:6653

約数の個数: 32

約数和(自身を含む): 25420800

約数和(自身を除く): 12215895

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 399, 665, 1995, 6619, 19857, 33095, 46333, 99285, 125761, 138999, 231665, 377283, 628805, 694995, 880327, 1886415, 2640981, 4401635, 13204905]

約数ペア:

[(1, 13204905), (3, 4401635), (5, 2640981), (7, 1886415), (15, 880327), (19, 694995), (21, 628805), (35, 377283), (57, 231665), (95, 138999), (105, 125761), (133, 99285), (285, 46333), (399, 33095), (665, 19857), (1995, 6619)]