13278489

素因数分解:

$3^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{5801}}^1$

素因数の和:5920

約数の個数: 16

約数和(自身を含む): 20423040

約数和(自身を除く): 7144551

約数列:

[1, 3, 7, 21, 109, 327, 763, 2289, 5801, 17403, 40607, 121821, 632309, 1896927, 4426163, 13278489]

約数ペア:

[(1, 13278489), (3, 4426163), (7, 1896927), (21, 632309), (109, 121821), (327, 40607), (763, 17403), (2289, 5801)]