215537329

素因数分解:

$7^2\times {\mathrm{1871}}^1\times {\mathrm{2351}}^1$

素因数の和:4236

約数の個数: 12

約数和(自身を含む): 250967808

約数和(自身を除く): 35430479

約数列:

[1, 7, 49, 1871, 2351, 13097, 16457, 91679, 115199, 4398721, 30791047, 215537329]

約数ペア:

[(1, 215537329), (7, 30791047), (49, 4398721), (1871, 115199), (2351, 91679), (13097, 16457)]