31218855

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{367}}^1$

素因数の和:535

約数の個数: 32

約数和(自身を含む): 51508224

約数和(自身を除く): 20289369

約数列:

[1, 3, 5, 15, 53, 107, 159, 265, 321, 367, 535, 795, 1101, 1605, 1835, 5505, 5671, 17013, 19451, 28355, 39269, 58353, 85065, 97255, 117807, 196345, 291765, 589035, 2081257, 6243771, 10406285, 31218855]

約数ペア:

[(1, 31218855), (3, 10406285), (5, 6243771), (15, 2081257), (53, 589035), (107, 291765), (159, 196345), (265, 117807), (321, 97255), (367, 85065), (535, 58353), (795, 39269), (1101, 28355), (1605, 19451), (1835, 17013), (5505, 5671)]