1213331

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:218

約数の個数: 16

約数和(自身を含む): 1478400

約数和(自身を除く): 265069

約数列:

[1, 7, 29, 43, 139, 203, 301, 973, 1247, 4031, 5977, 8729, 28217, 41839, 173333, 1213331]

約数ペア:

[(1, 1213331), (7, 173333), (29, 41839), (43, 28217), (139, 8729), (203, 5977), (301, 4031), (973, 1247)]