1279968207

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{281}}^1\times {\mathrm{6997}}^1$

素因数の和:7319

約数の個数: 32

約数和(自身を含む): 2020798464

約数和(自身を除く): 740830257

約数列:

[1, 3, 7, 21, 31, 93, 217, 281, 651, 843, 1967, 5901, 6997, 8711, 20991, 26133, 48979, 60977, 146937, 182931, 216907, 650721, 1518349, 1966157, 4555047, 5898471, 13763099, 41289297, 60950867, 182852601, 426656069, 1279968207]

約数ペア:

[(1, 1279968207), (3, 426656069), (7, 182852601), (21, 60950867), (31, 41289297), (93, 13763099), (217, 5898471), (281, 4555047), (651, 1966157), (843, 1518349), (1967, 650721), (5901, 216907), (6997, 182931), (8711, 146937), (20991, 60977), (26133, 48979)]