421874991

素因数分解:

$3^2\times {\mathrm{113}}^2\times {\mathrm{3671}}^1$

素因数の和:3903

約数の個数: 18

約数和(自身を含む): 614982888

約数和(自身を除く): 193107897

約数列:

[1, 3, 9, 113, 339, 1017, 3671, 11013, 12769, 33039, 38307, 114921, 414823, 1244469, 3733407, 46874999, 140624997, 421874991]

約数ペア:

[(1, 421874991), (3, 140624997), (9, 46874999), (113, 3733407), (339, 1244469), (1017, 414823), (3671, 114921), (11013, 38307), (12769, 33039)]