2772189

素因数分解:

$3^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{557}}^1$

素因数の和:649

約数の個数: 24

約数和(自身を含む): 4642560

約数和(自身を除く): 1870371

約数列:

[1, 3, 7, 9, 21, 63, 79, 237, 553, 557, 711, 1659, 1671, 3899, 4977, 5013, 11697, 35091, 44003, 132009, 308021, 396027, 924063, 2772189]

約数ペア:

[(1, 2772189), (3, 924063), (7, 396027), (9, 308021), (21, 132009), (63, 44003), (79, 35091), (237, 11697), (553, 5013), (557, 4977), (711, 3899), (1659, 1671)]