81180321

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{20149}}^1$

素因数の和:20248

約数の個数: 16

約数和(自身を含む): 116064000

約数和(自身を除く): 34883679

約数列:

[1, 3, 17, 51, 79, 237, 1343, 4029, 20149, 60447, 342533, 1027599, 1591771, 4775313, 27060107, 81180321]

約数ペア:

[(1, 81180321), (3, 27060107), (17, 4775313), (51, 1591771), (79, 1027599), (237, 342533), (1343, 60447), (4029, 20149)]