8520213

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1$

素因数の和:285

約数の個数: 32

約数和(自身を含む): 13208832

約数和(自身を除く): 4688619

約数列:

[1, 3, 13, 17, 39, 51, 71, 181, 213, 221, 543, 663, 923, 1207, 2353, 2769, 3077, 3621, 7059, 9231, 12851, 15691, 38553, 40001, 47073, 120003, 167063, 218467, 501189, 655401, 2840071, 8520213]

約数ペア:

[(1, 8520213), (3, 2840071), (13, 655401), (17, 501189), (39, 218467), (51, 167063), (71, 120003), (181, 47073), (213, 40001), (221, 38553), (543, 15691), (663, 12851), (923, 9231), (1207, 7059), (2353, 3621), (2769, 3077)]