668800689

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{157}}^1\times {\mathrm{827}}^1$

素因数の和:1105

約数の個数: 32

約数和(自身を含む): 960771456

約数和(自身を除く): 291970767

約数列:

[1, 3, 17, 51, 101, 157, 303, 471, 827, 1717, 2481, 2669, 5151, 8007, 14059, 15857, 42177, 47571, 83527, 129839, 250581, 269569, 389517, 808707, 1419959, 2207263, 4259877, 6621789, 13113739, 39341217, 222933563, 668800689]

約数ペア:

[(1, 668800689), (3, 222933563), (17, 39341217), (51, 13113739), (101, 6621789), (157, 4259877), (303, 2207263), (471, 1419959), (827, 808707), (1717, 389517), (2481, 269569), (2669, 250581), (5151, 129839), (8007, 83527), (14059, 47571), (15857, 42177)]