81291372

素因数分解:

$2^2\times 3^1\times {\mathrm{509}}^1\times {\mathrm{13309}}^1$

素因数の和:13825

約数の個数: 24

約数和(自身を含む): 190066800

約数和(自身を除く): 108775428

約数列:

[1, 2, 3, 4, 6, 12, 509, 1018, 1527, 2036, 3054, 6108, 13309, 26618, 39927, 53236, 79854, 159708, 6774281, 13548562, 20322843, 27097124, 40645686, 81291372]

約数ペア:

[(1, 81291372), (2, 40645686), (3, 27097124), (4, 20322843), (6, 13548562), (12, 6774281), (509, 159708), (1018, 79854), (1527, 53236), (2036, 39927), (3054, 26618), (6108, 13309)]