81307015

素因数分解:

$5^1\times {\mathrm{59}}^1\times {\mathrm{367}}^1\times {\mathrm{751}}^1$

素因数の和:1182

約数の個数: 16

約数和(自身を含む): 99624960

約数和(自身を除く): 18317945

約数列:

[1, 5, 59, 295, 367, 751, 1835, 3755, 21653, 44309, 108265, 221545, 275617, 1378085, 16261403, 81307015]

約数ペア:

[(1, 81307015), (5, 16261403), (59, 1378085), (295, 275617), (367, 221545), (751, 108265), (1835, 44309), (3755, 21653)]