15900105

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1217}}^1$

素因数の和:1305

約数の個数: 32

約数和(自身を含む): 27828864

約数和(自身を除く): 11928759

約数列:

[1, 3, 5, 13, 15, 39, 65, 67, 195, 201, 335, 871, 1005, 1217, 2613, 3651, 4355, 6085, 13065, 15821, 18255, 47463, 79105, 81539, 237315, 244617, 407695, 1060007, 1223085, 3180021, 5300035, 15900105]

約数ペア:

[(1, 15900105), (3, 5300035), (5, 3180021), (13, 1223085), (15, 1060007), (39, 407695), (65, 244617), (67, 237315), (195, 81539), (201, 79105), (335, 47463), (871, 18255), (1005, 15821), (1217, 13065), (2613, 6085), (3651, 4355)]