201821125

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{3967}}^1$

素因数の和:4030

約数の個数: 32

約数和(自身を含む): 282267648

約数和(自身を除く): 80446523

約数列:

[1, 5, 11, 25, 37, 55, 125, 185, 275, 407, 925, 1375, 2035, 3967, 4625, 10175, 19835, 43637, 50875, 99175, 146779, 218185, 495875, 733895, 1090925, 1614569, 3669475, 5454625, 8072845, 18347375, 40364225, 201821125]

約数ペア:

[(1, 201821125), (5, 40364225), (11, 18347375), (25, 8072845), (37, 5454625), (55, 3669475), (125, 1614569), (185, 1090925), (275, 733895), (407, 495875), (925, 218185), (1375, 146779), (2035, 99175), (3967, 50875), (4625, 43637), (10175, 19835)]