180999

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1$

素因数の和:56

約数の個数: 36

約数和(自身を含む): 342576

約数和(自身を除く): 161577

約数列:

[1, 3, 7, 9, 13, 17, 21, 39, 51, 63, 91, 117, 119, 153, 169, 221, 273, 357, 507, 663, 819, 1071, 1183, 1521, 1547, 1989, 2873, 3549, 4641, 8619, 10647, 13923, 20111, 25857, 60333, 180999]

約数ペア:

[(1, 180999), (3, 60333), (7, 25857), (9, 20111), (13, 13923), (17, 10647), (21, 8619), (39, 4641), (51, 3549), (63, 2873), (91, 1989), (117, 1547), (119, 1521), (153, 1183), (169, 1071), (221, 819), (273, 663), (357, 507)]