18024273

素因数分解:

$3^2\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{421}}^1$

素因数の和:565

約数の個数: 24

約数和(自身を含む): 26859456

約数和(自身を除く): 8835183

約数列:

[1, 3, 9, 67, 71, 201, 213, 421, 603, 639, 1263, 3789, 4757, 14271, 28207, 29891, 42813, 84621, 89673, 253863, 269019, 2002697, 6008091, 18024273]

約数ペア:

[(1, 18024273), (3, 6008091), (9, 2002697), (67, 269019), (71, 253863), (201, 89673), (213, 84621), (421, 42813), (603, 29891), (639, 28207), (1263, 14271), (3789, 4757)]