40709223

素因数分解:

$3^4\times {\mathrm{89}}^1\times {\mathrm{5647}}^1$

素因数の和:5748

約数の個数: 20

約数和(自身を含む): 61506720

約数和(自身を除く): 20797497

約数列:

[1, 3, 9, 27, 81, 89, 267, 801, 2403, 5647, 7209, 16941, 50823, 152469, 457407, 502583, 1507749, 4523247, 13569741, 40709223]

約数ペア:

[(1, 40709223), (3, 13569741), (9, 4523247), (27, 1507749), (81, 502583), (89, 457407), (267, 152469), (801, 50823), (2403, 16941), (5647, 7209)]