787649913

素因数分解:

$3^4\times {\mathrm{1223}}^1\times {\mathrm{7951}}^1$

素因数の和:9186

約数の個数: 20

約数和(自身を含む): 1177723008

約数和(自身を除く): 390073095

約数列:

[1, 3, 9, 27, 81, 1223, 3669, 7951, 11007, 23853, 33021, 71559, 99063, 214677, 644031, 9724073, 29172219, 87516657, 262549971, 787649913]

約数ペア:

[(1, 787649913), (3, 262549971), (9, 87516657), (27, 29172219), (81, 9724073), (1223, 644031), (3669, 214677), (7951, 99063), (11007, 71559), (23853, 33021)]