81969585

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{4027}}^1$

素因数の和:4117

約数の個数: 32

約数和(自身を含む): 139207680

約数和(自身を除く): 57238095

約数列:

[1, 3, 5, 15, 23, 59, 69, 115, 177, 295, 345, 885, 1357, 4027, 4071, 6785, 12081, 20135, 20355, 60405, 92621, 237593, 277863, 463105, 712779, 1187965, 1389315, 3563895, 5464639, 16393917, 27323195, 81969585]

約数ペア:

[(1, 81969585), (3, 27323195), (5, 16393917), (15, 5464639), (23, 3563895), (59, 1389315), (69, 1187965), (115, 712779), (177, 463105), (295, 277863), (345, 237593), (885, 92621), (1357, 60405), (4027, 20355), (4071, 20135), (6785, 12081)]