252171927

素因数分解:

$3^3\times 7^1\times {\mathrm{137}}^1\times {\mathrm{9739}}^1$

素因数の和:9892

約数の個数: 32

約数和(自身を含む): 430118400

約数和(自身を除く): 177946473

約数列:

[1, 3, 7, 9, 21, 27, 63, 137, 189, 411, 959, 1233, 2877, 3699, 8631, 9739, 25893, 29217, 68173, 87651, 204519, 262953, 613557, 1334243, 1840671, 4002729, 9339701, 12008187, 28019103, 36024561, 84057309, 252171927]

約数ペア:

[(1, 252171927), (3, 84057309), (7, 36024561), (9, 28019103), (21, 12008187), (27, 9339701), (63, 4002729), (137, 1840671), (189, 1334243), (411, 613557), (959, 262953), (1233, 204519), (2877, 87651), (3699, 68173), (8631, 29217), (9739, 25893)]