28678551

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{379}}^1\times {\mathrm{2293}}^1$

素因数の和:2686

約数の個数: 16

約数和(自身を含む): 41842560

約数和(自身を除く): 13164009

約数列:

[1, 3, 11, 33, 379, 1137, 2293, 4169, 6879, 12507, 25223, 75669, 869047, 2607141, 9559517, 28678551]

約数ペア:

[(1, 28678551), (3, 9559517), (11, 2607141), (33, 869047), (379, 75669), (1137, 25223), (2293, 12507), (4169, 6879)]