138500859

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{173}}^1\times {\mathrm{569}}^1$

素因数の和:819

約数の個数: 32

約数和(自身を含む): 215815680

約数和(自身を除く): 77314821

約数列:

[1, 3, 7, 21, 67, 173, 201, 469, 519, 569, 1211, 1407, 1707, 3633, 3983, 11591, 11949, 34773, 38123, 81137, 98437, 114369, 243411, 266861, 295311, 689059, 800583, 2067177, 6595279, 19785837, 46166953, 138500859]

約数ペア:

[(1, 138500859), (3, 46166953), (7, 19785837), (21, 6595279), (67, 2067177), (173, 800583), (201, 689059), (469, 295311), (519, 266861), (569, 243411), (1211, 114369), (1407, 98437), (1707, 81137), (3633, 38123), (3983, 34773), (11591, 11949)]