27720404859

素因数分解:

$3^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{3227431}}^1$

素因数の和:3227850

約数の個数: 16

約数和(自身を含む): 42343907840

約数和(自身を除く): 14623502981

約数列:

[1, 3, 7, 21, 409, 1227, 2863, 8589, 3227431, 9682293, 22592017, 67776051, 1320019279, 3960057837, 9240134953, 27720404859]

約数ペア:

[(1, 27720404859), (3, 9240134953), (7, 3960057837), (21, 1320019279), (409, 67776051), (1227, 22592017), (2863, 9682293), (8589, 3227431)]