6988653

素因数分解:

$3^3\times 7^1\times {\mathrm{103}}^1\times {\mathrm{359}}^1$

素因数の和:478

約数の個数: 32

約数和(自身を含む): 11980800

約数和(自身を除く): 4992147

約数列:

[1, 3, 7, 9, 21, 27, 63, 103, 189, 309, 359, 721, 927, 1077, 2163, 2513, 2781, 3231, 6489, 7539, 9693, 19467, 22617, 36977, 67851, 110931, 258839, 332793, 776517, 998379, 2329551, 6988653]

約数ペア:

[(1, 6988653), (3, 2329551), (7, 998379), (9, 776517), (21, 332793), (27, 258839), (63, 110931), (103, 67851), (189, 36977), (309, 22617), (359, 19467), (721, 9693), (927, 7539), (1077, 6489), (2163, 3231), (2513, 2781)]