81604995

素因数分解:

$3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{81199}}^1$

素因数の和:81274

約数の個数: 16

約数和(自身を含む): 132518400

約数和(自身を除く): 50913405

約数列:

[1, 3, 5, 15, 67, 201, 335, 1005, 81199, 243597, 405995, 1217985, 5440333, 16320999, 27201665, 81604995]

約数ペア:

[(1, 81604995), (3, 27201665), (5, 16320999), (15, 5440333), (67, 1217985), (201, 405995), (335, 243597), (1005, 81199)]