28182609

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{2647}}^1$

素因数の和:2686

約数の個数: 36

約数和(自身を含む): 50396736

約数和(自身を除く): 22214127

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 169, 273, 507, 819, 1183, 1521, 2647, 3549, 7941, 10647, 18529, 23823, 34411, 55587, 103233, 166761, 240877, 309699, 447343, 722631, 1342029, 2167893, 3131401, 4026087, 9394203, 28182609]

約数ペア:

[(1, 28182609), (3, 9394203), (7, 4026087), (9, 3131401), (13, 2167893), (21, 1342029), (39, 722631), (63, 447343), (91, 309699), (117, 240877), (169, 166761), (273, 103233), (507, 55587), (819, 34411), (1183, 23823), (1521, 18529), (2647, 10647), (3549, 7941)]