201718593

素因数分解:

$3^4\times {\mathrm{503}}^1\times {\mathrm{4951}}^1$

素因数の和:5466

約数の個数: 20

約数和(自身を含む): 301992768

約数和(自身を除く): 100274175

約数列:

[1, 3, 9, 27, 81, 503, 1509, 4527, 4951, 13581, 14853, 40743, 44559, 133677, 401031, 2490353, 7471059, 22413177, 67239531, 201718593]

約数ペア:

[(1, 201718593), (3, 67239531), (9, 22413177), (27, 7471059), (81, 2490353), (503, 401031), (1509, 133677), (4527, 44559), (4951, 40743), (13581, 14853)]