3111291

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{541}}^1$

素因数の和:624

約数の個数: 20

約数和(自身を含む): 4721904

約数和(自身を除く): 1610613

約数列:

[1, 3, 9, 27, 71, 81, 213, 541, 639, 1623, 1917, 4869, 5751, 14607, 38411, 43821, 115233, 345699, 1037097, 3111291]

約数ペア:

[(1, 3111291), (3, 1037097), (9, 345699), (27, 115233), (71, 43821), (81, 38411), (213, 14607), (541, 5751), (639, 4869), (1623, 1917)]