164020647

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{1213}}^1$

素因数の和:1407

約数の個数: 32

約数和(自身を含む): 257329152

約数和(自身を除く): 93308505

約数列:

[1, 3, 7, 21, 47, 137, 141, 329, 411, 959, 987, 1213, 2877, 3639, 6439, 8491, 19317, 25473, 45073, 57011, 135219, 166181, 171033, 399077, 498543, 1163267, 1197231, 3489801, 7810507, 23431521, 54673549, 164020647]

約数ペア:

[(1, 164020647), (3, 54673549), (7, 23431521), (21, 7810507), (47, 3489801), (137, 1197231), (141, 1163267), (329, 498543), (411, 399077), (959, 171033), (987, 166181), (1213, 135219), (2877, 57011), (3639, 45073), (6439, 25473), (8491, 19317)]