13126815

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1181}}^1$

素因数の和:1224

約数の個数: 48

約数和(自身を含む): 25814880

約数和(自身を除く): 12688065

約数列:

[1, 3, 5, 9, 13, 15, 19, 39, 45, 57, 65, 95, 117, 171, 195, 247, 285, 585, 741, 855, 1181, 1235, 2223, 3543, 3705, 5905, 10629, 11115, 15353, 17715, 22439, 46059, 53145, 67317, 76765, 112195, 138177, 201951, 230295, 291707, 336585, 690885, 875121, 1009755, 1458535, 2625363, 4375605, 13126815]

約数ペア:

[(1, 13126815), (3, 4375605), (5, 2625363), (9, 1458535), (13, 1009755), (15, 875121), (19, 690885), (39, 336585), (45, 291707), (57, 230295), (65, 201951), (95, 138177), (117, 112195), (171, 76765), (195, 67317), (247, 53145), (285, 46059), (585, 22439), (741, 17715), (855, 15353), (1181, 11115), (1235, 10629), (2223, 5905), (3543, 3705)]