15951117

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{491}}^1$

素因数の和:538

約数の個数: 48

約数和(自身を含む): 28268352

約数和(自身を除く): 12317235

約数列:

[1, 3, 7, 13, 17, 21, 39, 49, 51, 91, 119, 147, 221, 273, 357, 491, 637, 663, 833, 1473, 1547, 1911, 2499, 3437, 4641, 6383, 8347, 10311, 10829, 19149, 24059, 25041, 32487, 44681, 58429, 72177, 108511, 134043, 175287, 312767, 325533, 409003, 759577, 938301, 1227009, 2278731, 5317039, 15951117]

約数ペア:

[(1, 15951117), (3, 5317039), (7, 2278731), (13, 1227009), (17, 938301), (21, 759577), (39, 409003), (49, 325533), (51, 312767), (91, 175287), (119, 134043), (147, 108511), (221, 72177), (273, 58429), (357, 44681), (491, 32487), (637, 25041), (663, 24059), (833, 19149), (1473, 10829), (1547, 10311), (1911, 8347), (2499, 6383), (3437, 4641)]