2220009975

素因数分解:

$3^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{318281}}^1$

素因数の和:318328

約数の個数: 36

約数和(自身を含む): 4104564672

約数和(自身を除く): 1884554697

約数列:

[1, 3, 5, 9, 15, 25, 31, 45, 75, 93, 155, 225, 279, 465, 775, 1395, 2325, 6975, 318281, 954843, 1591405, 2864529, 4774215, 7957025, 9866711, 14322645, 23871075, 29600133, 49333555, 71613225, 88800399, 148000665, 246667775, 444001995, 740003325, 2220009975]

約数ペア:

[(1, 2220009975), (3, 740003325), (5, 444001995), (9, 246667775), (15, 148000665), (25, 88800399), (31, 71613225), (45, 49333555), (75, 29600133), (93, 23871075), (155, 14322645), (225, 9866711), (279, 7957025), (465, 4774215), (775, 2864529), (1395, 1591405), (2325, 954843), (6975, 318281)]