28553325

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{12281}}^1$

素因数の和:12325

約数の個数: 24

約数和(自身を含む): 48734976

約数和(自身を除く): 20181651

約数列:

[1, 3, 5, 15, 25, 31, 75, 93, 155, 465, 775, 2325, 12281, 36843, 61405, 184215, 307025, 380711, 921075, 1142133, 1903555, 5710665, 9517775, 28553325]

約数ペア:

[(1, 28553325), (3, 9517775), (5, 5710665), (15, 1903555), (25, 1142133), (31, 921075), (75, 380711), (93, 307025), (155, 184215), (465, 61405), (775, 36843), (2325, 12281)]