4200721

素因数分解:

$7^3\times {\mathrm{37}}^1\times {\mathrm{331}}^1$

素因数の和:389

約数の個数: 16

約数和(自身を含む): 5046400

約数和(自身を除く): 845679

約数列:

[1, 7, 37, 49, 259, 331, 343, 1813, 2317, 12247, 12691, 16219, 85729, 113533, 600103, 4200721]

約数ペア:

[(1, 4200721), (7, 600103), (37, 113533), (49, 85729), (259, 16219), (331, 12691), (343, 12247), (1813, 2317)]