28280763

素因数分解:

$3^2\times 7^1\times {\mathrm{593}}^1\times {\mathrm{757}}^1$

素因数の和:1363

約数の個数: 24

約数和(自身を含む): 46826208

約数和(自身を除く): 18545445

約数列:

[1, 3, 7, 9, 21, 63, 593, 757, 1779, 2271, 4151, 5299, 5337, 6813, 12453, 15897, 37359, 47691, 448901, 1346703, 3142307, 4040109, 9426921, 28280763]

約数ペア:

[(1, 28280763), (3, 9426921), (7, 4040109), (9, 3142307), (21, 1346703), (63, 448901), (593, 47691), (757, 37359), (1779, 15897), (2271, 12453), (4151, 6813), (5299, 5337)]