68498871

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{2447}}^1$

素因数の和:2531

約数の個数: 32

約数和(自身を含む): 110297088

約数和(自身を除く): 41798217

約数列:

[1, 3, 7, 21, 31, 43, 93, 129, 217, 301, 651, 903, 1333, 2447, 3999, 7341, 9331, 17129, 27993, 51387, 75857, 105221, 227571, 315663, 530999, 736547, 1592997, 2209641, 3261851, 9785553, 22832957, 68498871]

約数ペア:

[(1, 68498871), (3, 22832957), (7, 9785553), (21, 3261851), (31, 2209641), (43, 1592997), (93, 736547), (129, 530999), (217, 315663), (301, 227571), (651, 105221), (903, 75857), (1333, 51387), (2447, 27993), (3999, 17129), (7341, 9331)]