18481527

素因数分解:

$3^4\times {\mathrm{83}}^1\times {\mathrm{2749}}^1$

素因数の和:2844

約数の個数: 20

約数和(自身を含む): 27951000

約数和(自身を除く): 9469473

約数列:

[1, 3, 9, 27, 81, 83, 249, 747, 2241, 2749, 6723, 8247, 24741, 74223, 222669, 228167, 684501, 2053503, 6160509, 18481527]

約数ペア:

[(1, 18481527), (3, 6160509), (9, 2053503), (27, 684501), (81, 228167), (83, 222669), (249, 74223), (747, 24741), (2241, 8247), (2749, 6723)]