7840989

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{251}}^1$

素因数の和:362

約数の個数: 32

約数和(自身を含む): 12700800

約数和(自身を除く): 4859811

約数列:

[1, 3, 9, 13, 27, 39, 89, 117, 251, 267, 351, 753, 801, 1157, 2259, 2403, 3263, 3471, 6777, 9789, 10413, 22339, 29367, 31239, 67017, 88101, 201051, 290407, 603153, 871221, 2613663, 7840989]

約数ペア:

[(1, 7840989), (3, 2613663), (9, 871221), (13, 603153), (27, 290407), (39, 201051), (89, 88101), (117, 67017), (251, 31239), (267, 29367), (351, 22339), (753, 10413), (801, 9789), (1157, 6777), (2259, 3471), (2403, 3263)]