1223829

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{521}}^1$

素因数の和:562

約数の個数: 20

約数和(自身を含む): 1894860

約数和(自身を除く): 671031

約数列:

[1, 3, 9, 27, 29, 81, 87, 261, 521, 783, 1563, 2349, 4689, 14067, 15109, 42201, 45327, 135981, 407943, 1223829]

約数ペア:

[(1, 1223829), (3, 407943), (9, 135981), (27, 45327), (29, 42201), (81, 15109), (87, 14067), (261, 4689), (521, 2349), (783, 1563)]