27821521

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{8263}}^1$

素因数の和:8320

約数の個数: 16

約数和(自身を含む): 35171584

約数和(自身を除く): 7350063

約数列:

[1, 7, 13, 37, 91, 259, 481, 3367, 8263, 57841, 107419, 305731, 751933, 2140117, 3974503, 27821521]

約数ペア:

[(1, 27821521), (7, 3974503), (13, 2140117), (37, 751933), (91, 305731), (259, 107419), (481, 57841), (3367, 8263)]