15215535

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{241}}^1$

素因数の和:336

約数の個数: 48

約数和(自身を含む): 28087488

約数和(自身を除く): 12871953

約数列:

[1, 3, 5, 9, 15, 23, 45, 61, 69, 115, 183, 207, 241, 305, 345, 549, 723, 915, 1035, 1205, 1403, 2169, 2745, 3615, 4209, 5543, 7015, 10845, 12627, 14701, 16629, 21045, 27715, 44103, 49887, 63135, 73505, 83145, 132309, 220515, 249435, 338123, 661545, 1014369, 1690615, 3043107, 5071845, 15215535]

約数ペア:

[(1, 15215535), (3, 5071845), (5, 3043107), (9, 1690615), (15, 1014369), (23, 661545), (45, 338123), (61, 249435), (69, 220515), (115, 132309), (183, 83145), (207, 73505), (241, 63135), (305, 49887), (345, 44103), (549, 27715), (723, 21045), (915, 16629), (1035, 14701), (1205, 12627), (1403, 10845), (2169, 7015), (2745, 5543), (3615, 4209)]