28129515

素因数分解:

$3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{19333}}^1$

素因数の和:19438

約数の個数: 16

約数和(自身を含む): 45473568

約数和(自身を除く): 17344053

約数列:

[1, 3, 5, 15, 97, 291, 485, 1455, 19333, 57999, 96665, 289995, 1875301, 5625903, 9376505, 28129515]

約数ペア:

[(1, 28129515), (3, 9376505), (5, 5625903), (15, 1875301), (97, 289995), (291, 96665), (485, 57999), (1455, 19333)]