25237413

素因数分解:

$3^4\times {\mathrm{173}}^1\times {\mathrm{1801}}^1$

素因数の和:1986

約数の個数: 20

約数和(自身を含む): 37939308

約数和(自身を除く): 12701895

約数列:

[1, 3, 9, 27, 81, 173, 519, 1557, 1801, 4671, 5403, 14013, 16209, 48627, 145881, 311573, 934719, 2804157, 8412471, 25237413]

約数ペア:

[(1, 25237413), (3, 8412471), (9, 2804157), (27, 934719), (81, 311573), (173, 145881), (519, 48627), (1557, 16209), (1801, 14013), (4671, 5403)]