81963810

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{910709}}^1$

素因数の和:910722

約数の個数: 24

約数和(自身を含む): 213106140

約数和(自身を除く): 131142330

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 910709, 1821418, 2732127, 4553545, 5464254, 8196381, 9107090, 13660635, 16392762, 27321270, 40981905, 81963810]

約数ペア:

[(1, 81963810), (2, 40981905), (3, 27321270), (5, 16392762), (6, 13660635), (9, 9107090), (10, 8196381), (15, 5464254), (18, 4553545), (30, 2732127), (45, 1821418), (90, 910709)]