217464303

素因数分解:

$3^1\times 7^2\times {\mathrm{461}}^1\times {\mathrm{3209}}^1$

素因数の和:3687

約数の個数: 24

約数和(自身を含む): 338128560

約数和(自身を除く): 120664257

約数列:

[1, 3, 7, 21, 49, 147, 461, 1383, 3209, 3227, 9627, 9681, 22463, 22589, 67389, 67767, 157241, 471723, 1479349, 4438047, 10355443, 31066329, 72488101, 217464303]

約数ペア:

[(1, 217464303), (3, 72488101), (7, 31066329), (21, 10355443), (49, 4438047), (147, 1479349), (461, 471723), (1383, 157241), (3209, 67767), (3227, 67389), (9627, 22589), (9681, 22463)]