443313

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{421}}^1$

素因数の和:446

約数の個数: 20

約数和(自身を含む): 714868

約数和(自身を除く): 271555

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 421, 1053, 1263, 3789, 5473, 11367, 16419, 34101, 49257, 147771, 443313]

約数ペア:

[(1, 443313), (3, 147771), (9, 49257), (13, 34101), (27, 16419), (39, 11367), (81, 5473), (117, 3789), (351, 1263), (421, 1053)]