7195311

素因数分解:

$3^4\times {\mathrm{211}}^1\times {\mathrm{421}}^1$

素因数の和:644

約数の個数: 20

約数和(自身を含む): 10825144

約数和(自身を除く): 3629833

約数列:

[1, 3, 9, 27, 81, 211, 421, 633, 1263, 1899, 3789, 5697, 11367, 17091, 34101, 88831, 266493, 799479, 2398437, 7195311]

約数ペア:

[(1, 7195311), (3, 2398437), (9, 799479), (27, 266493), (81, 88831), (211, 34101), (421, 17091), (633, 11367), (1263, 5697), (1899, 3789)]