28261821

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{36373}}^1$

素因数の和:36420

約数の個数: 16

約数和(自身を含む): 44230784

約数和(自身を除く): 15968963

約数列:

[1, 3, 7, 21, 37, 111, 259, 777, 36373, 109119, 254611, 763833, 1345801, 4037403, 9420607, 28261821]

約数ペア:

[(1, 28261821), (3, 9420607), (7, 4037403), (21, 1345801), (37, 763833), (111, 254611), (259, 109119), (777, 36373)]