28193613

素因数分解:

$3^1\times 7^1\times {\mathrm{109}}^2\times {\mathrm{113}}^1$

素因数の和:341

約数の個数: 24

約数和(自身を含む): 43743168

約数和(自身を除く): 15549555

約数列:

[1, 3, 7, 21, 109, 113, 327, 339, 763, 791, 2289, 2373, 11881, 12317, 35643, 36951, 83167, 86219, 249501, 258657, 1342553, 4027659, 9397871, 28193613]

約数ペア:

[(1, 28193613), (3, 9397871), (7, 4027659), (21, 1342553), (109, 258657), (113, 249501), (327, 86219), (339, 83167), (763, 36951), (791, 35643), (2289, 12317), (2373, 11881)]