7805241

素因数分解:

$3^4\times {\mathrm{173}}^1\times {\mathrm{557}}^1$

素因数の和:742

約数の個数: 20

約数和(自身を含む): 11748132

約数和(自身を除く): 3942891

約数列:

[1, 3, 9, 27, 81, 173, 519, 557, 1557, 1671, 4671, 5013, 14013, 15039, 45117, 96361, 289083, 867249, 2601747, 7805241]

約数ペア:

[(1, 7805241), (3, 2601747), (9, 867249), (27, 289083), (81, 96361), (173, 45117), (519, 15039), (557, 14013), (1557, 5013), (1671, 4671)]