427581

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{617}}^1$

素因数の和:641

約数の個数: 24

約数和(自身を含む): 771264

約数和(自身を除く): 343683

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 617, 693, 1851, 4319, 5553, 6787, 12957, 20361, 38871, 47509, 61083, 142527, 427581]

約数ペア:

[(1, 427581), (3, 142527), (7, 61083), (9, 47509), (11, 38871), (21, 20361), (33, 12957), (63, 6787), (77, 5553), (99, 4319), (231, 1851), (617, 693)]