8156421

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{433}}^1$

素因数の和:482

約数の個数: 48

約数和(自身を含む): 15165696

約数和(自身を除く): 7009275

約数列:

[1, 3, 7, 9, 13, 21, 23, 39, 63, 69, 91, 117, 161, 207, 273, 299, 433, 483, 819, 897, 1299, 1449, 2093, 2691, 3031, 3897, 5629, 6279, 9093, 9959, 16887, 18837, 27279, 29877, 39403, 50661, 69713, 89631, 118209, 129467, 209139, 354627, 388401, 627417, 906269, 1165203, 2718807, 8156421]

約数ペア:

[(1, 8156421), (3, 2718807), (7, 1165203), (9, 906269), (13, 627417), (21, 388401), (23, 354627), (39, 209139), (63, 129467), (69, 118209), (91, 89631), (117, 69713), (161, 50661), (207, 39403), (273, 29877), (299, 27279), (433, 18837), (483, 16887), (819, 9959), (897, 9093), (1299, 6279), (1449, 5629), (2093, 3897), (2691, 3031)]