66981225

素因数分解:

$3^1\times 5^2\times {\mathrm{59}}^1\times {\mathrm{15137}}^1$

素因数の和:15209

約数の個数: 24

約数和(自身を含む): 112626720

約数和(自身を除く): 45645495

約数列:

[1, 3, 5, 15, 25, 59, 75, 177, 295, 885, 1475, 4425, 15137, 45411, 75685, 227055, 378425, 893083, 1135275, 2679249, 4465415, 13396245, 22327075, 66981225]

約数ペア:

[(1, 66981225), (3, 22327075), (5, 13396245), (15, 4465415), (25, 2679249), (59, 1135275), (75, 893083), (177, 378425), (295, 227055), (885, 75685), (1475, 45411), (4425, 15137)]