27928125

素因数分解:

$3^3\times 5^5\times {\mathrm{331}}^1$

素因数の和:365

約数の個数: 48

約数和(自身を含む): 51871680

約数和(自身を除く): 23943555

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 125, 135, 225, 331, 375, 625, 675, 993, 1125, 1655, 1875, 2979, 3125, 3375, 4965, 5625, 8275, 8937, 9375, 14895, 16875, 24825, 28125, 41375, 44685, 74475, 84375, 124125, 206875, 223425, 372375, 620625, 1034375, 1117125, 1861875, 3103125, 5585625, 9309375, 27928125]

約数ペア:

[(1, 27928125), (3, 9309375), (5, 5585625), (9, 3103125), (15, 1861875), (25, 1117125), (27, 1034375), (45, 620625), (75, 372375), (125, 223425), (135, 206875), (225, 124125), (331, 84375), (375, 74475), (625, 44685), (675, 41375), (993, 28125), (1125, 24825), (1655, 16875), (1875, 14895), (2979, 9375), (3125, 8937), (3375, 8275), (4965, 5625)]