27705489

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{181}}^1\times {\mathrm{197}}^1$

素因数の和:425

約数の個数: 32

約数和(自身を含む): 43819776

約数和(自身を除く): 16114287

約数列:

[1, 3, 7, 21, 37, 111, 181, 197, 259, 543, 591, 777, 1267, 1379, 3801, 4137, 6697, 7289, 20091, 21867, 35657, 46879, 51023, 106971, 140637, 153069, 249599, 748797, 1319309, 3957927, 9235163, 27705489]

約数ペア:

[(1, 27705489), (3, 9235163), (7, 3957927), (21, 1319309), (37, 748797), (111, 249599), (181, 153069), (197, 140637), (259, 106971), (543, 51023), (591, 46879), (777, 35657), (1267, 21867), (1379, 20091), (3801, 7289), (4137, 6697)]