22271679

素因数分解:

$3^6\times {\mathrm{137}}^1\times {\mathrm{223}}^1$

素因数の和:378

約数の個数: 28

約数和(自身を含む): 33786816

約数和(自身を除く): 11515137

約数列:

[1, 3, 9, 27, 81, 137, 223, 243, 411, 669, 729, 1233, 2007, 3699, 6021, 11097, 18063, 30551, 33291, 54189, 91653, 99873, 162567, 274959, 824877, 2474631, 7423893, 22271679]

約数ペア:

[(1, 22271679), (3, 7423893), (9, 2474631), (27, 824877), (81, 274959), (137, 162567), (223, 99873), (243, 91653), (411, 54189), (669, 33291), (729, 30551), (1233, 18063), (2007, 11097), (3699, 6021)]