12815439

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{157}}^1$

素因数の和:216

約数の個数: 48

約数和(自身を含む): 22205952

約数和(自身を除く): 9390513

約数列:

[1, 3, 7, 13, 21, 23, 39, 69, 91, 157, 161, 169, 273, 299, 471, 483, 507, 897, 1099, 1183, 2041, 2093, 3297, 3549, 3611, 3887, 6123, 6279, 10833, 11661, 14287, 25277, 26533, 27209, 42861, 46943, 75831, 79599, 81627, 140829, 185731, 328601, 557193, 610259, 985803, 1830777, 4271813, 12815439]

約数ペア:

[(1, 12815439), (3, 4271813), (7, 1830777), (13, 985803), (21, 610259), (23, 557193), (39, 328601), (69, 185731), (91, 140829), (157, 81627), (161, 79599), (169, 75831), (273, 46943), (299, 42861), (471, 27209), (483, 26533), (507, 25277), (897, 14287), (1099, 11661), (1183, 10833), (2041, 6279), (2093, 6123), (3297, 3887), (3549, 3611)]