72820209

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{10169}}^1$

素因数の和:10221

約数の個数: 32

約数和(自身を含む): 124968960

約数和(自身を除く): 52148751

約数列:

[1, 3, 7, 11, 21, 31, 33, 77, 93, 217, 231, 341, 651, 1023, 2387, 7161, 10169, 30507, 71183, 111859, 213549, 315239, 335577, 783013, 945717, 2206673, 2349039, 3467629, 6620019, 10402887, 24273403, 72820209]

約数ペア:

[(1, 72820209), (3, 24273403), (7, 10402887), (11, 6620019), (21, 3467629), (31, 2349039), (33, 2206673), (77, 945717), (93, 783013), (217, 335577), (231, 315239), (341, 213549), (651, 111859), (1023, 71183), (2387, 30507), (7161, 10169)]