180468729

素因数分解:

$3^4\times 7^1\times {\mathrm{318287}}^1$

素因数の和:318306

約数の個数: 20

約数和(自身を含む): 308102784

約数和(自身を除く): 127634055

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 318287, 954861, 2228009, 2864583, 6684027, 8593749, 20052081, 25781247, 60156243, 180468729]

約数ペア:

[(1, 180468729), (3, 60156243), (7, 25781247), (9, 20052081), (21, 8593749), (27, 6684027), (63, 2864583), (81, 2228009), (189, 954861), (567, 318287)]