15878457

素因数分解:

$3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{2897}}^1$

素因数の和:2942

約数の個数: 32

約数和(自身を含む): 27820800

約数和(自身を除く): 11942343

約数列:

[1, 3, 7, 9, 21, 27, 29, 63, 87, 189, 203, 261, 609, 783, 1827, 2897, 5481, 8691, 20279, 26073, 60837, 78219, 84013, 182511, 252039, 547533, 588091, 756117, 1764273, 2268351, 5292819, 15878457]

約数ペア:

[(1, 15878457), (3, 5292819), (7, 2268351), (9, 1764273), (21, 756117), (27, 588091), (29, 547533), (63, 252039), (87, 182511), (189, 84013), (203, 78219), (261, 60837), (609, 26073), (783, 20279), (1827, 8691), (2897, 5481)]