13399281

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{12511}}^1$

素因数の和:12541

約数の個数: 24

約数和(自身を含む): 23422464

約数和(自身を除く): 10023183

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 12511, 37533, 87577, 112599, 212687, 262731, 638061, 788193, 1488809, 1914183, 4466427, 13399281]

約数ペア:

[(1, 13399281), (3, 4466427), (7, 1914183), (9, 1488809), (17, 788193), (21, 638061), (51, 262731), (63, 212687), (119, 112599), (153, 87577), (357, 37533), (1071, 12511)]