12976899

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{37}}^1$

素因数の和:116

約数の個数: 48

約数和(自身を含む): 21182112

約数和(自身を除く): 8205213

約数列:

[1, 3, 13, 17, 23, 37, 39, 51, 69, 111, 221, 299, 391, 481, 529, 629, 663, 851, 897, 1173, 1443, 1587, 1887, 2553, 5083, 6877, 8177, 8993, 11063, 14467, 15249, 19573, 20631, 24531, 26979, 33189, 43401, 58719, 116909, 188071, 254449, 332741, 350727, 564213, 763347, 998223, 4325633, 12976899]

約数ペア:

[(1, 12976899), (3, 4325633), (13, 998223), (17, 763347), (23, 564213), (37, 350727), (39, 332741), (51, 254449), (69, 188071), (111, 116909), (221, 58719), (299, 43401), (391, 33189), (481, 26979), (529, 24531), (629, 20631), (663, 19573), (851, 15249), (897, 14467), (1173, 11063), (1443, 8993), (1587, 8177), (1887, 6877), (2553, 5083)]