31191979

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2129}}^1$

素因数の和:2179

約数の個数: 24

約数和(自身を含む): 40793760

約数和(自身を除く): 9601781

約数列:

[1, 7, 13, 23, 49, 91, 161, 299, 637, 1127, 2093, 2129, 14651, 14903, 27677, 48967, 104321, 193739, 342769, 636571, 1356173, 2399383, 4455997, 31191979]

約数ペア:

[(1, 31191979), (7, 4455997), (13, 2399383), (23, 1356173), (49, 636571), (91, 342769), (161, 193739), (299, 104321), (637, 48967), (1127, 27677), (2093, 14903), (2129, 14651)]