28774161

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{743}}^1$

素因数の和:1093

約数の個数: 24

約数和(自身を含む): 44955456

約数和(自身を除く): 16181295

約数列:

[1, 3, 9, 13, 39, 117, 331, 743, 993, 2229, 2979, 4303, 6687, 9659, 12909, 28977, 38727, 86931, 245933, 737799, 2213397, 3197129, 9591387, 28774161]

約数ペア:

[(1, 28774161), (3, 9591387), (9, 3197129), (13, 2213397), (39, 737799), (117, 245933), (331, 86931), (743, 38727), (993, 28977), (2229, 12909), (2979, 9659), (4303, 6687)]