15542709

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{197}}^1$

素因数の和:254

約数の個数: 48

約数和(自身を含む): 27232128

約数和(自身を除く): 11689419

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 91, 119, 197, 221, 273, 289, 357, 591, 663, 867, 1379, 1547, 2023, 2561, 3349, 3757, 4137, 4641, 6069, 7683, 10047, 11271, 17927, 23443, 26299, 43537, 53781, 56933, 70329, 78897, 130611, 170799, 304759, 398531, 740129, 914277, 1195593, 2220387, 5180903, 15542709]

約数ペア:

[(1, 15542709), (3, 5180903), (7, 2220387), (13, 1195593), (17, 914277), (21, 740129), (39, 398531), (51, 304759), (91, 170799), (119, 130611), (197, 78897), (221, 70329), (273, 56933), (289, 53781), (357, 43537), (591, 26299), (663, 23443), (867, 17927), (1379, 11271), (1547, 10047), (2023, 7683), (2561, 6069), (3349, 4641), (3757, 4137)]