40721211

素因数分解:

$3^6\times {\mathrm{83}}^1\times {\mathrm{673}}^1$

素因数の和:774

約数の個数: 28

約数和(自身を含む): 61881288

約数和(自身を除く): 21160077

約数列:

[1, 3, 9, 27, 81, 83, 243, 249, 673, 729, 747, 2019, 2241, 6057, 6723, 18171, 20169, 54513, 55859, 60507, 163539, 167577, 490617, 502731, 1508193, 4524579, 13573737, 40721211]

約数ペア:

[(1, 40721211), (3, 13573737), (9, 4524579), (27, 1508193), (81, 502731), (83, 490617), (243, 167577), (249, 163539), (673, 60507), (729, 55859), (747, 54513), (2019, 20169), (2241, 18171), (6057, 6723)]