80288253

素因数分解:

$3^4\times {\mathrm{79}}^1\times {\mathrm{12547}}^1$

素因数の和:12638

約数の個数: 20

約数和(自身を含む): 121464640

約数和(自身を除く): 41176387

約数列:

[1, 3, 9, 27, 79, 81, 237, 711, 2133, 6399, 12547, 37641, 112923, 338769, 991213, 1016307, 2973639, 8920917, 26762751, 80288253]

約数ペア:

[(1, 80288253), (3, 26762751), (9, 8920917), (27, 2973639), (79, 1016307), (81, 991213), (237, 338769), (711, 112923), (2133, 37641), (6399, 12547)]