18734375

素因数分解:

$5^6\times {\mathrm{11}}^1\times {\mathrm{109}}^1$

素因数の和:150

約数の個数: 28

約数和(自身を含む): 25780920

約数和(自身を除く): 7046545

約数列:

[1, 5, 11, 25, 55, 109, 125, 275, 545, 625, 1199, 1375, 2725, 3125, 5995, 6875, 13625, 15625, 29975, 34375, 68125, 149875, 171875, 340625, 749375, 1703125, 3746875, 18734375]

約数ペア:

[(1, 18734375), (5, 3746875), (11, 1703125), (25, 749375), (55, 340625), (109, 171875), (125, 149875), (275, 68125), (545, 34375), (625, 29975), (1199, 15625), (1375, 13625), (2725, 6875), (3125, 5995)]