2278125

素因数分解:

$3^6\times 5^5$

素因数の和:43

約数の個数: 42

約数和(自身を含む): 4269258

約数和(自身を除く): 1991133

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 125, 135, 225, 243, 375, 405, 625, 675, 729, 1125, 1215, 1875, 2025, 3125, 3375, 3645, 5625, 6075, 9375, 10125, 16875, 18225, 28125, 30375, 50625, 84375, 91125, 151875, 253125, 455625, 759375, 2278125]

約数ペア:

[(1, 2278125), (3, 759375), (5, 455625), (9, 253125), (15, 151875), (25, 91125), (27, 84375), (45, 50625), (75, 30375), (81, 28125), (125, 18225), (135, 16875), (225, 10125), (243, 9375), (375, 6075), (405, 5625), (625, 3645), (675, 3375), (729, 3125), (1125, 2025), (1215, 1875)]