228708207

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{21481}}^1$

素因数の和:21520

約数の個数: 36

約数和(自身を含む): 408845424

約数和(自身を除く): 180137217

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 169, 273, 507, 819, 1183, 1521, 3549, 10647, 21481, 64443, 150367, 193329, 279253, 451101, 837759, 1353303, 1954771, 2513277, 3630289, 5864313, 10890867, 17592939, 25412023, 32672601, 76236069, 228708207]

約数ペア:

[(1, 228708207), (3, 76236069), (7, 32672601), (9, 25412023), (13, 17592939), (21, 10890867), (39, 5864313), (63, 3630289), (91, 2513277), (117, 1954771), (169, 1353303), (273, 837759), (507, 451101), (819, 279253), (1183, 193329), (1521, 150367), (3549, 64443), (10647, 21481)]