9947367

素因数分解:

$3^4\times {\mathrm{227}}^1\times {\mathrm{541}}^1$

素因数の和:780

約数の個数: 20

約数和(自身を含む): 14952696

約数和(自身を除く): 5005329

約数列:

[1, 3, 9, 27, 81, 227, 541, 681, 1623, 2043, 4869, 6129, 14607, 18387, 43821, 122807, 368421, 1105263, 3315789, 9947367]

約数ペア:

[(1, 9947367), (3, 3315789), (9, 1105263), (27, 368421), (81, 122807), (227, 43821), (541, 18387), (681, 14607), (1623, 6129), (2043, 4869)]