28973427

素因数分解:

$3^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{9137}}^1$

素因数の和:9298

約数の個数: 16

約数和(自身を含む): 44447232

約数和(自身を除く): 15473805

約数列:

[1, 3, 7, 21, 151, 453, 1057, 3171, 9137, 27411, 63959, 191877, 1379687, 4139061, 9657809, 28973427]

約数ペア:

[(1, 28973427), (3, 9657809), (7, 4139061), (21, 1379687), (151, 191877), (453, 63959), (1057, 27411), (3171, 9137)]