81840168

素因数分解:

$2^3\times 3^2\times {\mathrm{1136669}}^1$

素因数の和:1136681

約数の個数: 24

約数和(自身を含む): 221650650

約数和(自身を除く): 139810482

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 1136669, 2273338, 3410007, 4546676, 6820014, 9093352, 10230021, 13640028, 20460042, 27280056, 40920084, 81840168]

約数ペア:

[(1, 81840168), (2, 40920084), (3, 27280056), (4, 20460042), (6, 13640028), (8, 10230021), (9, 9093352), (12, 6820014), (18, 4546676), (24, 3410007), (36, 2273338), (72, 1136669)]