55312971

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{138629}}^1$

素因数の和:138658

約数の個数: 16

約数和(自身を含む): 88723200

約数和(自身を除く): 33410229

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 138629, 415887, 970403, 2633951, 2911209, 7901853, 18437657, 55312971]

約数ペア:

[(1, 55312971), (3, 18437657), (7, 7901853), (19, 2911209), (21, 2633951), (57, 970403), (133, 415887), (399, 138629)]