66403125

素因数分解:

$3^3\times 5^5\times {\mathrm{787}}^1$

素因数の和:821

約数の個数: 48

約数和(自身を含む): 123117120

約数和(自身を除く): 56713995

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 125, 135, 225, 375, 625, 675, 787, 1125, 1875, 2361, 3125, 3375, 3935, 5625, 7083, 9375, 11805, 16875, 19675, 21249, 28125, 35415, 59025, 84375, 98375, 106245, 177075, 295125, 491875, 531225, 885375, 1475625, 2459375, 2656125, 4426875, 7378125, 13280625, 22134375, 66403125]

約数ペア:

[(1, 66403125), (3, 22134375), (5, 13280625), (9, 7378125), (15, 4426875), (25, 2656125), (27, 2459375), (45, 1475625), (75, 885375), (125, 531225), (135, 491875), (225, 295125), (375, 177075), (625, 106245), (675, 98375), (787, 84375), (1125, 59025), (1875, 35415), (2361, 28125), (3125, 21249), (3375, 19675), (3935, 16875), (5625, 11805), (7083, 9375)]