80821701

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:266

約数の個数: 48

約数和(自身を含む): 127370880

約数和(自身を除く): 46549179

約数列:

[1, 3, 9, 23, 41, 69, 89, 107, 123, 207, 267, 321, 369, 801, 943, 963, 2047, 2461, 2829, 3649, 4387, 6141, 7383, 8487, 9523, 10947, 13161, 18423, 22149, 28569, 32841, 39483, 83927, 85707, 100901, 219029, 251781, 302703, 390443, 657087, 755343, 908109, 1171329, 1971261, 3513987, 8980189, 26940567, 80821701]

約数ペア:

[(1, 80821701), (3, 26940567), (9, 8980189), (23, 3513987), (41, 1971261), (69, 1171329), (89, 908109), (107, 755343), (123, 657087), (207, 390443), (267, 302703), (321, 251781), (369, 219029), (801, 100901), (943, 85707), (963, 83927), (2047, 39483), (2461, 32841), (2829, 28569), (3649, 22149), (4387, 18423), (6141, 13161), (7383, 10947), (8487, 9523)]