68757879

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1\times {\mathrm{139}}^1$

素因数の和:339

約数の個数: 32

約数和(自身を含む): 98703360

約数和(自身を除く): 29945481

約数列:

[1, 3, 23, 67, 69, 107, 139, 201, 321, 417, 1541, 2461, 3197, 4623, 7169, 7383, 9313, 9591, 14873, 21507, 27939, 44619, 164887, 214199, 342079, 494661, 642597, 996491, 1026237, 2989473, 22919293, 68757879]

約数ペア:

[(1, 68757879), (3, 22919293), (23, 2989473), (67, 1026237), (69, 996491), (107, 642597), (139, 494661), (201, 342079), (321, 214199), (417, 164887), (1541, 44619), (2461, 27939), (3197, 21507), (4623, 14873), (7169, 9591), (7383, 9313)]