221314257

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{569}}^1\times {\mathrm{1879}}^1$

素因数の和:2477

約数の個数: 24

約数和(自身を含む): 334339200

約数和(自身を除く): 113024943

約数列:

[1, 3, 9, 23, 69, 207, 569, 1707, 1879, 5121, 5637, 13087, 16911, 39261, 43217, 117783, 129651, 388953, 1069151, 3207453, 9622359, 24590473, 73771419, 221314257]

約数ペア:

[(1, 221314257), (3, 73771419), (9, 24590473), (23, 9622359), (69, 3207453), (207, 1069151), (569, 388953), (1707, 129651), (1879, 117783), (5121, 43217), (5637, 39261), (13087, 16911)]