1301405

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{103}}^1$

素因数の和:153

約数の個数: 24

約数和(自身を含む): 1901952

約数和(自身を除く): 600547

約数列:

[1, 5, 7, 19, 35, 95, 103, 133, 361, 515, 665, 721, 1805, 1957, 2527, 3605, 9785, 12635, 13699, 37183, 68495, 185915, 260281, 1301405]

約数ペア:

[(1, 1301405), (5, 260281), (7, 185915), (19, 68495), (35, 37183), (95, 13699), (103, 12635), (133, 9785), (361, 3605), (515, 2527), (665, 1957), (721, 1805)]