71317779

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^3$

素因数の和:168

約数の個数: 32

約数和(自身を含む): 109401600

約数和(自身を除く): 38083821

約数列:

[1, 3, 13, 23, 39, 43, 69, 129, 299, 559, 897, 989, 1677, 1849, 2967, 5547, 12857, 24037, 38571, 42527, 72111, 79507, 127581, 238521, 552851, 1033591, 1658553, 1828661, 3100773, 5485983, 23772593, 71317779]

約数ペア:

[(1, 71317779), (3, 23772593), (13, 5485983), (23, 3100773), (39, 1828661), (43, 1658553), (69, 1033591), (129, 552851), (299, 238521), (559, 127581), (897, 79507), (989, 72111), (1677, 42527), (1849, 38571), (2967, 24037), (5547, 12857)]