31572105

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1579}}^1$

素因数の和:1661

約数の個数: 32

約数和(自身を含む): 53391360

約数和(自身を除く): 21819255

約数列:

[1, 3, 5, 15, 31, 43, 93, 129, 155, 215, 465, 645, 1333, 1579, 3999, 4737, 6665, 7895, 19995, 23685, 48949, 67897, 146847, 203691, 244745, 339485, 734235, 1018455, 2104807, 6314421, 10524035, 31572105]

約数ペア:

[(1, 31572105), (3, 10524035), (5, 6314421), (15, 2104807), (31, 1018455), (43, 734235), (93, 339485), (129, 244745), (155, 203691), (215, 146847), (465, 67897), (645, 48949), (1333, 23685), (1579, 19995), (3999, 7895), (4737, 6665)]