69912913

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{12821}}^1$

素因数の和:12888

約数の個数: 16

約数和(自身を含む): 86163840

約数和(自身を除く): 16250927

約数列:

[1, 7, 19, 41, 133, 287, 779, 5453, 12821, 89747, 243599, 525661, 1705193, 3679627, 9987559, 69912913]

約数ペア:

[(1, 69912913), (7, 9987559), (19, 3679627), (41, 1705193), (133, 525661), (287, 243599), (779, 89747), (5453, 12821)]