15541281

素因数分解:

$3^3\times 7^2\times {\mathrm{17}}^1\times {\mathrm{691}}^1$

素因数の和:731

約数の個数: 48

約数和(自身を含む): 28399680

約数和(自身を除く): 12858399

約数列:

[1, 3, 7, 9, 17, 21, 27, 49, 51, 63, 119, 147, 153, 189, 357, 441, 459, 691, 833, 1071, 1323, 2073, 2499, 3213, 4837, 6219, 7497, 11747, 14511, 18657, 22491, 33859, 35241, 43533, 82229, 101577, 105723, 130599, 246687, 304731, 317169, 575603, 740061, 914193, 1726809, 2220183, 5180427, 15541281]

約数ペア:

[(1, 15541281), (3, 5180427), (7, 2220183), (9, 1726809), (17, 914193), (21, 740061), (27, 575603), (49, 317169), (51, 304731), (63, 246687), (119, 130599), (147, 105723), (153, 101577), (189, 82229), (357, 43533), (441, 35241), (459, 33859), (691, 22491), (833, 18657), (1071, 14511), (1323, 11747), (2073, 7497), (2499, 6219), (3213, 4837)]