13913991

素因数分解:

$3^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{809}}^1$

素因数の和:845

約数の個数: 48

約数和(自身を含む): 25855200

約数和(自身を除く): 11941209

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 49, 63, 91, 117, 147, 189, 273, 351, 441, 637, 809, 819, 1323, 1911, 2427, 2457, 5663, 5733, 7281, 10517, 16989, 17199, 21843, 31551, 39641, 50967, 73619, 94653, 118923, 152901, 220857, 283959, 356769, 515333, 662571, 1070307, 1545999, 1987713, 4637997, 13913991]

約数ペア:

[(1, 13913991), (3, 4637997), (7, 1987713), (9, 1545999), (13, 1070307), (21, 662571), (27, 515333), (39, 356769), (49, 283959), (63, 220857), (91, 152901), (117, 118923), (147, 94653), (189, 73619), (273, 50967), (351, 39641), (441, 31551), (637, 21843), (809, 17199), (819, 16989), (1323, 10517), (1911, 7281), (2427, 5733), (2457, 5663)]