28710891

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{3671}}^1$

素因数の和:3767

約数の個数: 24

約数和(自身を含む): 45826560

約数和(自身を除く): 17115669

約数列:

[1, 3, 9, 11, 33, 79, 99, 237, 711, 869, 2607, 3671, 7821, 11013, 33039, 40381, 121143, 290009, 363429, 870027, 2610081, 3190099, 9570297, 28710891]

約数ペア:

[(1, 28710891), (3, 9570297), (9, 3190099), (11, 2610081), (33, 870027), (79, 363429), (99, 290009), (237, 121143), (711, 40381), (869, 33039), (2607, 11013), (3671, 7821)]