80026443

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{17891}}^1$

素因数の和:17975

約数の個数: 24

約数和(自身を含む): 133975296

約数和(自身を除く): 53948853

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1491, 4473, 17891, 53673, 125237, 161019, 375711, 1127133, 1270261, 3810783, 8891827, 11432349, 26675481, 80026443]

約数ペア:

[(1, 80026443), (3, 26675481), (7, 11432349), (9, 8891827), (21, 3810783), (63, 1270261), (71, 1127133), (213, 375711), (497, 161019), (639, 125237), (1491, 53673), (4473, 17891)]