71228691

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:256

約数の個数: 48

約数和(自身を含む): 113218560

約数和(自身を除く): 41989869

約数列:

[1, 3, 9, 17, 51, 71, 79, 83, 153, 213, 237, 249, 639, 711, 747, 1207, 1343, 1411, 3621, 4029, 4233, 5609, 5893, 6557, 10863, 12087, 12699, 16827, 17679, 19671, 50481, 53037, 59013, 95353, 100181, 111469, 286059, 300543, 334407, 465547, 858177, 901629, 1003221, 1396641, 4189923, 7914299, 23742897, 71228691]

約数ペア:

[(1, 71228691), (3, 23742897), (9, 7914299), (17, 4189923), (51, 1396641), (71, 1003221), (79, 901629), (83, 858177), (153, 465547), (213, 334407), (237, 300543), (249, 286059), (639, 111469), (711, 100181), (747, 95353), (1207, 59013), (1343, 53037), (1411, 50481), (3621, 19671), (4029, 17679), (4233, 16827), (5609, 12699), (5893, 12087), (6557, 10863)]