71640369

素因数分解:

$3^4\times {\mathrm{647}}^1\times {\mathrm{1367}}^1$

素因数の和:2026

約数の個数: 20

約数和(自身を含む): 107262144

約数和(自身を除く): 35621775

約数列:

[1, 3, 9, 27, 81, 647, 1367, 1941, 4101, 5823, 12303, 17469, 36909, 52407, 110727, 884449, 2653347, 7960041, 23880123, 71640369]

約数ペア:

[(1, 71640369), (3, 23880123), (9, 7960041), (27, 2653347), (81, 884449), (647, 110727), (1367, 52407), (1941, 36909), (4101, 17469), (5823, 12303)]