28807587

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{1307}}^1$

素因数の和:1423

約数の個数: 24

約数和(自身を含む): 43530240

約数和(自身を除く): 14722653

約数列:

[1, 3, 9, 31, 79, 93, 237, 279, 711, 1307, 2449, 3921, 7347, 11763, 22041, 40517, 103253, 121551, 309759, 364653, 929277, 3200843, 9602529, 28807587]

約数ペア:

[(1, 28807587), (3, 9602529), (9, 3200843), (31, 929277), (79, 364653), (93, 309759), (237, 121551), (279, 103253), (711, 40517), (1307, 22041), (2449, 11763), (3921, 7347)]