281407329

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{154027}}^1$

素因数の和:154069

約数の個数: 24

約数和(自身を含む): 480567360

約数和(自身を除く): 199160031

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 609, 1827, 154027, 462081, 1078189, 1386243, 3234567, 4466783, 9703701, 13400349, 31267481, 40201047, 93802443, 281407329]

約数ペア:

[(1, 281407329), (3, 93802443), (7, 40201047), (9, 31267481), (21, 13400349), (29, 9703701), (63, 4466783), (87, 3234567), (203, 1386243), (261, 1078189), (609, 462081), (1827, 154027)]