1616031

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{281}}^1$

素因数の和:364

約数の個数: 20

約数和(自身を含む): 2456784

約数和(自身を除く): 840753

約数列:

[1, 3, 9, 27, 71, 81, 213, 281, 639, 843, 1917, 2529, 5751, 7587, 19951, 22761, 59853, 179559, 538677, 1616031]

約数ペア:

[(1, 1616031), (3, 538677), (9, 179559), (27, 59853), (71, 22761), (81, 19951), (213, 7587), (281, 5751), (639, 2529), (843, 1917)]