42078345

素因数分解:

$3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1\times {\mathrm{281}}^1$

素因数の和:505

約数の個数: 32

約数和(自身を含む): 69033600

約数和(自身を除く): 26955255

約数列:

[1, 3, 5, 15, 67, 149, 201, 281, 335, 447, 745, 843, 1005, 1405, 2235, 4215, 9983, 18827, 29949, 41869, 49915, 56481, 94135, 125607, 149745, 209345, 282405, 628035, 2805223, 8415669, 14026115, 42078345]

約数ペア:

[(1, 42078345), (3, 14026115), (5, 8415669), (15, 2805223), (67, 628035), (149, 282405), (201, 209345), (281, 149745), (335, 125607), (447, 94135), (745, 56481), (843, 49915), (1005, 41869), (1405, 29949), (2235, 18827), (4215, 9983)]