81447515

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{331}}^1\times {\mathrm{1697}}^1$

素因数の和:2062

約数の個数: 16

約数和(自身を含む): 101472480

約数和(自身を除く): 20024965

約数列:

[1, 5, 29, 145, 331, 1655, 1697, 8485, 9599, 47995, 49213, 246065, 561707, 2808535, 16289503, 81447515]

約数ペア:

[(1, 81447515), (5, 16289503), (29, 2808535), (145, 561707), (331, 246065), (1655, 49213), (1697, 47995), (8485, 9599)]