156778209

素因数分解:

$3^2\times 7^1\times {\mathrm{229}}^1\times {\mathrm{10867}}^1$

素因数の和:11109

約数の個数: 24

約数和(自身を含む): 259962560

約数和(自身を除く): 103184351

約数列:

[1, 3, 7, 9, 21, 63, 229, 687, 1603, 2061, 4809, 10867, 14427, 32601, 76069, 97803, 228207, 684621, 2488543, 7465629, 17419801, 22396887, 52259403, 156778209]

約数ペア:

[(1, 156778209), (3, 52259403), (7, 22396887), (9, 17419801), (21, 7465629), (63, 2488543), (229, 684621), (687, 228207), (1603, 97803), (2061, 76069), (4809, 32601), (10867, 14427)]