7989813

素因数分解:

$3^3\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{103}}^1$

素因数の和:155

約数の個数: 48

約数和(自身を含む): 13703040

約数和(自身を除く): 5713227

約数列:

[1, 3, 9, 13, 17, 27, 39, 51, 103, 117, 153, 169, 221, 309, 351, 459, 507, 663, 927, 1339, 1521, 1751, 1989, 2781, 2873, 4017, 4563, 5253, 5967, 8619, 12051, 15759, 17407, 22763, 25857, 36153, 47277, 52221, 68289, 77571, 156663, 204867, 295919, 469989, 614601, 887757, 2663271, 7989813]

約数ペア:

[(1, 7989813), (3, 2663271), (9, 887757), (13, 614601), (17, 469989), (27, 295919), (39, 204867), (51, 156663), (103, 77571), (117, 68289), (153, 52221), (169, 47277), (221, 36153), (309, 25857), (351, 22763), (459, 17407), (507, 15759), (663, 12051), (927, 8619), (1339, 5967), (1521, 5253), (1751, 4563), (1989, 4017), (2781, 2873)]