41978007

素因数分解:

$3^6\times {\mathrm{89}}^1\times {\mathrm{647}}^1$

素因数の和:754

約数の個数: 28

約数和(自身を含む): 63743760

約数和(自身を除く): 21765753

約数列:

[1, 3, 9, 27, 81, 89, 243, 267, 647, 729, 801, 1941, 2403, 5823, 7209, 17469, 21627, 52407, 57583, 64881, 157221, 172749, 471663, 518247, 1554741, 4664223, 13992669, 41978007]

約数ペア:

[(1, 41978007), (3, 13992669), (9, 4664223), (27, 1554741), (81, 518247), (89, 471663), (243, 172749), (267, 157221), (647, 64881), (729, 57583), (801, 52407), (1941, 21627), (2403, 17469), (5823, 7209)]