28693749

素因数分解:

$3^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{7549}}^1$

素因数の和:7740

約数の個数: 16

約数和(自身を含む): 43971200

約数和(自身を除く): 15277451

約数列:

[1, 3, 7, 21, 181, 543, 1267, 3801, 7549, 22647, 52843, 158529, 1366369, 4099107, 9564583, 28693749]

約数ペア:

[(1, 28693749), (3, 9564583), (7, 4099107), (21, 1366369), (181, 158529), (543, 52843), (1267, 22647), (3801, 7549)]