81470977

素因数分解:

$7^2\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{379}}^1$

素因数の和:541

約数の個数: 24

約数和(自身を含む): 98249760

約数和(自身を除く): 16778783

約数列:

[1, 7, 41, 49, 107, 287, 379, 749, 2009, 2653, 4387, 5243, 15539, 18571, 30709, 40553, 108773, 214963, 283871, 761411, 1662673, 1987097, 11638711, 81470977]

約数ペア:

[(1, 81470977), (7, 11638711), (41, 1987097), (49, 1662673), (107, 761411), (287, 283871), (379, 214963), (749, 108773), (2009, 40553), (2653, 30709), (4387, 18571), (5243, 15539)]