31263939

素因数分解:

$3^2\times 7^1\times {\mathrm{487}}^1\times {\mathrm{1019}}^1$

素因数の和:1519

約数の個数: 24

約数和(自身を含む): 51767040

約数和(自身を除く): 20503101

約数列:

[1, 3, 7, 9, 21, 63, 487, 1019, 1461, 3057, 3409, 4383, 7133, 9171, 10227, 21399, 30681, 64197, 496253, 1488759, 3473771, 4466277, 10421313, 31263939]

約数ペア:

[(1, 31263939), (3, 10421313), (7, 4466277), (9, 3473771), (21, 1488759), (63, 496253), (487, 64197), (1019, 30681), (1461, 21399), (3057, 10227), (3409, 9171), (4383, 7133)]