2489655

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{181}}^1$

素因数の和:327

約数の個数: 32

約数和(自身を含む): 4612608

約数和(自身を除く): 2122953

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 131, 181, 393, 543, 655, 905, 917, 1267, 1965, 2715, 2751, 3801, 4585, 6335, 13755, 19005, 23711, 71133, 118555, 165977, 355665, 497931, 829885, 2489655]

約数ペア:

[(1, 2489655), (3, 829885), (5, 497931), (7, 355665), (15, 165977), (21, 118555), (35, 71133), (105, 23711), (131, 19005), (181, 13755), (393, 6335), (543, 4585), (655, 3801), (905, 2751), (917, 2715), (1267, 1965)]