217412085

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{30643}}^1$

素因数の和:30705

約数の個数: 32

約数和(自身を含む): 388320768

約数和(自身を除く): 170908683

約数列:

[1, 3, 5, 11, 15, 33, 43, 55, 129, 165, 215, 473, 645, 1419, 2365, 7095, 30643, 91929, 153215, 337073, 459645, 1011219, 1317649, 1685365, 3952947, 5056095, 6588245, 14494139, 19764735, 43482417, 72470695, 217412085]

約数ペア:

[(1, 217412085), (3, 72470695), (5, 43482417), (11, 19764735), (15, 14494139), (33, 6588245), (43, 5056095), (55, 3952947), (129, 1685365), (165, 1317649), (215, 1011219), (473, 459645), (645, 337073), (1419, 153215), (2365, 91929), (7095, 30643)]