64540095

素因数分解:

$3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1\times {\mathrm{431}}^1$

素因数の和:655

約数の個数: 32

約数和(自身を含む): 105753600

約数和(自身を除く): 41213505

約数列:

[1, 3, 5, 15, 67, 149, 201, 335, 431, 447, 745, 1005, 1293, 2155, 2235, 6465, 9983, 28877, 29949, 49915, 64219, 86631, 144385, 149745, 192657, 321095, 433155, 963285, 4302673, 12908019, 21513365, 64540095]

約数ペア:

[(1, 64540095), (3, 21513365), (5, 12908019), (15, 4302673), (67, 963285), (149, 433155), (201, 321095), (335, 192657), (431, 149745), (447, 144385), (745, 86631), (1005, 64219), (1293, 49915), (2155, 29949), (2235, 28877), (6465, 9983)]