13388991

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{389}}^1$

素因数の和:559

約数の個数: 32

約数和(自身を含む): 22464000

約数和(自身を除く): 9075009

約数列:

[1, 3, 7, 11, 21, 33, 77, 149, 231, 389, 447, 1043, 1167, 1639, 2723, 3129, 4279, 4917, 8169, 11473, 12837, 29953, 34419, 57961, 89859, 173883, 405727, 637571, 1217181, 1912713, 4462997, 13388991]

約数ペア:

[(1, 13388991), (3, 4462997), (7, 1912713), (11, 1217181), (21, 637571), (33, 405727), (77, 173883), (149, 89859), (231, 57961), (389, 34419), (447, 29953), (1043, 12837), (1167, 11473), (1639, 8169), (2723, 4917), (3129, 4279)]