28161609

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{239}}^1$

素因数の和:461

約数の個数: 32

約数和(自身を含む): 44728320

約数和(自身を除く): 16566711

約数列:

[1, 3, 7, 21, 31, 93, 181, 217, 239, 543, 651, 717, 1267, 1673, 3801, 5019, 5611, 7409, 16833, 22227, 39277, 43259, 51863, 117831, 129777, 155589, 302813, 908439, 1341029, 4023087, 9387203, 28161609]

約数ペア:

[(1, 28161609), (3, 9387203), (7, 4023087), (21, 1341029), (31, 908439), (93, 302813), (181, 155589), (217, 129777), (239, 117831), (543, 51863), (651, 43259), (717, 39277), (1267, 22227), (1673, 16833), (3801, 7409), (5019, 5611)]