81920973

素因数分解:

$3^1\times {\mathrm{151}}^1\times {\mathrm{193}}^1\times {\mathrm{937}}^1$

素因数の和:1284

約数の個数: 16

約数和(自身を含む): 110638976

約数和(自身を除く): 28718003

約数列:

[1, 3, 151, 193, 453, 579, 937, 2811, 29143, 87429, 141487, 180841, 424461, 542523, 27306991, 81920973]

約数ペア:

[(1, 81920973), (3, 27306991), (151, 542523), (193, 424461), (453, 180841), (579, 141487), (937, 87429), (2811, 29143)]