15890355

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1181}}^1$

素因数の和:1228

約数の個数: 48

約数和(自身を含む): 30977856

約数和(自身を除く): 15087501

約数列:

[1, 3, 5, 9, 13, 15, 23, 39, 45, 65, 69, 115, 117, 195, 207, 299, 345, 585, 897, 1035, 1181, 1495, 2691, 3543, 4485, 5905, 10629, 13455, 15353, 17715, 27163, 46059, 53145, 76765, 81489, 135815, 138177, 230295, 244467, 353119, 407445, 690885, 1059357, 1222335, 1765595, 3178071, 5296785, 15890355]

約数ペア:

[(1, 15890355), (3, 5296785), (5, 3178071), (9, 1765595), (13, 1222335), (15, 1059357), (23, 690885), (39, 407445), (45, 353119), (65, 244467), (69, 230295), (115, 138177), (117, 135815), (195, 81489), (207, 76765), (299, 53145), (345, 46059), (585, 27163), (897, 17715), (1035, 15353), (1181, 13455), (1495, 10629), (2691, 5905), (3543, 4485)]