15274917

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1823}}^1$

素因数の和:1862

約数の個数: 36

約数和(自身を含む): 27031680

約数和(自身を除く): 11756763

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 133, 147, 171, 399, 441, 931, 1197, 1823, 2793, 5469, 8379, 12761, 16407, 34637, 38283, 89327, 103911, 114849, 242459, 267981, 311733, 727377, 803943, 1697213, 2182131, 5091639, 15274917]

約数ペア:

[(1, 15274917), (3, 5091639), (7, 2182131), (9, 1697213), (19, 803943), (21, 727377), (49, 311733), (57, 267981), (63, 242459), (133, 114849), (147, 103911), (171, 89327), (399, 38283), (441, 34637), (931, 16407), (1197, 12761), (1823, 8379), (2793, 5469)]