489760131

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1227469}}^1$

素因数の和:1227498

約数の個数: 16

約数和(自身を含む): 785580800

約数和(自身を除く): 295820669

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 1227469, 3682407, 8592283, 23321911, 25776849, 69965733, 163253377, 489760131]

約数ペア:

[(1, 489760131), (3, 163253377), (7, 69965733), (19, 25776849), (21, 23321911), (57, 8592283), (133, 3682407), (399, 1227469)]