28001619

素因数分解:

$3^6\times {\mathrm{71}}^1\times {\mathrm{541}}^1$

素因数の和:630

約数の個数: 28

約数和(自身を含む): 42653232

約数和(自身を除く): 14651613

約数列:

[1, 3, 9, 27, 71, 81, 213, 243, 541, 639, 729, 1623, 1917, 4869, 5751, 14607, 17253, 38411, 43821, 51759, 115233, 131463, 345699, 394389, 1037097, 3111291, 9333873, 28001619]

約数ペア:

[(1, 28001619), (3, 9333873), (9, 3111291), (27, 1037097), (71, 394389), (81, 345699), (213, 131463), (243, 115233), (541, 51759), (639, 43821), (729, 38411), (1623, 17253), (1917, 14607), (4869, 5751)]