181968891

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{379}}^1\times {\mathrm{947}}^1$

素因数の和:1355

約数の個数: 24

約数和(自身を含む): 263695680

約数和(自身を除く): 81726789

約数列:

[1, 3, 13, 39, 169, 379, 507, 947, 1137, 2841, 4927, 12311, 14781, 36933, 64051, 160043, 192153, 358913, 480129, 1076739, 4665869, 13997607, 60656297, 181968891]

約数ペア:

[(1, 181968891), (3, 60656297), (13, 13997607), (39, 4665869), (169, 1076739), (379, 480129), (507, 358913), (947, 192153), (1137, 160043), (2841, 64051), (4927, 36933), (12311, 14781)]