1408504221

素因数分解:

$3^4\times {\mathrm{1553}}^1\times {\mathrm{11197}}^1$

素因数の和:12762

約数の個数: 20

約数和(自身を含む): 2105604732

約数和(自身を除く): 697100511

約数列:

[1, 3, 9, 27, 81, 1553, 4659, 11197, 13977, 33591, 41931, 100773, 125793, 302319, 906957, 17388941, 52166823, 156500469, 469501407, 1408504221]

約数ペア:

[(1, 1408504221), (3, 469501407), (9, 156500469), (27, 52166823), (81, 17388941), (1553, 906957), (4659, 302319), (11197, 125793), (13977, 100773), (33591, 41931)]