27991875

素因数分解:

$3^1\times 5^4\times {\mathrm{14929}}^1$

素因数の和:14952

約数の個数: 20

約数和(自身を含む): 46641320

約数和(自身を除く): 18649445

約数列:

[1, 3, 5, 15, 25, 75, 125, 375, 625, 1875, 14929, 44787, 74645, 223935, 373225, 1119675, 1866125, 5598375, 9330625, 27991875]

約数ペア:

[(1, 27991875), (3, 9330625), (5, 5598375), (15, 1866125), (25, 1119675), (75, 373225), (125, 223935), (375, 74645), (625, 44787), (1875, 14929)]