3973779

素因数分解:

$3^7\times {\mathrm{23}}^1\times {\mathrm{79}}^1$

素因数の和:123

約数の個数: 32

約数和(自身を含む): 6297600

約数和(自身を除く): 2323821

約数列:

[1, 3, 9, 23, 27, 69, 79, 81, 207, 237, 243, 621, 711, 729, 1817, 1863, 2133, 2187, 5451, 5589, 6399, 16353, 16767, 19197, 49059, 50301, 57591, 147177, 172773, 441531, 1324593, 3973779]

約数ペア:

[(1, 3973779), (3, 1324593), (9, 441531), (23, 172773), (27, 147177), (69, 57591), (79, 50301), (81, 49059), (207, 19197), (237, 16767), (243, 16353), (621, 6399), (711, 5589), (729, 5451), (1817, 2187), (1863, 2133)]