74881575

素因数分解:

$3^2\times 5^2\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1$

素因数の和:233

約数の個数: 72

約数和(自身を含む): 140282688

約数和(自身を除く): 65401113

約数列:

[1, 3, 5, 9, 15, 25, 45, 47, 73, 75, 97, 141, 219, 225, 235, 291, 365, 423, 485, 657, 705, 873, 1095, 1175, 1455, 1825, 2115, 2425, 3285, 3431, 3525, 4365, 4559, 5475, 7081, 7275, 10293, 10575, 13677, 16425, 17155, 21243, 21825, 22795, 30879, 35405, 41031, 51465, 63729, 68385, 85775, 106215, 113975, 154395, 177025, 205155, 257325, 318645, 332807, 341925, 531075, 771975, 998421, 1025775, 1593225, 1664035, 2995263, 4992105, 8320175, 14976315, 24960525, 74881575]

約数ペア:

[(1, 74881575), (3, 24960525), (5, 14976315), (9, 8320175), (15, 4992105), (25, 2995263), (45, 1664035), (47, 1593225), (73, 1025775), (75, 998421), (97, 771975), (141, 531075), (219, 341925), (225, 332807), (235, 318645), (291, 257325), (365, 205155), (423, 177025), (485, 154395), (657, 113975), (705, 106215), (873, 85775), (1095, 68385), (1175, 63729), (1455, 51465), (1825, 41031), (2115, 35405), (2425, 30879), (3285, 22795), (3431, 21825), (3525, 21243), (4365, 17155), (4559, 16425), (5475, 13677), (7081, 10575), (7275, 10293)]