66511875

素因数分解:

$3^1\times 5^4\times {\mathrm{19}}^1\times {\mathrm{1867}}^1$

素因数の和:1909

約数の個数: 40

約数和(自身を含む): 116712640

約数和(自身を除く): 50200765

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 125, 285, 375, 475, 625, 1425, 1867, 1875, 2375, 5601, 7125, 9335, 11875, 28005, 35473, 35625, 46675, 106419, 140025, 177365, 233375, 532095, 700125, 886825, 1166875, 2660475, 3500625, 4434125, 13302375, 22170625, 66511875]

約数ペア:

[(1, 66511875), (3, 22170625), (5, 13302375), (15, 4434125), (19, 3500625), (25, 2660475), (57, 1166875), (75, 886825), (95, 700125), (125, 532095), (285, 233375), (375, 177365), (475, 140025), (625, 106419), (1425, 46675), (1867, 35625), (1875, 35473), (2375, 28005), (5601, 11875), (7125, 9335)]