123698379

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{310021}}^1$

素因数の和:310050

約数の個数: 16

約数和(自身を含む): 198414080

約数和(自身を除く): 74715701

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 310021, 930063, 2170147, 5890399, 6510441, 17671197, 41232793, 123698379]

約数ペア:

[(1, 123698379), (3, 41232793), (7, 17671197), (19, 6510441), (21, 5890399), (57, 2170147), (133, 930063), (399, 310021)]