9780642

素因数分解:

$2^1\times 3^3\times {\mathrm{181123}}^1$

素因数の和:181134

約数の個数: 16

約数和(自身を含む): 21734880

約数和(自身を除く): 11954238

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 181123, 362246, 543369, 1086738, 1630107, 3260214, 4890321, 9780642]

約数ペア:

[(1, 9780642), (2, 4890321), (3, 3260214), (6, 1630107), (9, 1086738), (18, 543369), (27, 362246), (54, 181123)]