520018317

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{634943}}^1$

素因数の和:634969

約数の個数: 24

約数和(自身を含む): 924478464

約数和(自身を除く): 404460147

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 634943, 1904829, 4444601, 5714487, 8254259, 13333803, 24762777, 40001409, 57779813, 74288331, 173339439, 520018317]

約数ペア:

[(1, 520018317), (3, 173339439), (7, 74288331), (9, 57779813), (13, 40001409), (21, 24762777), (39, 13333803), (63, 8254259), (91, 5714487), (117, 4444601), (273, 1904829), (819, 634943)]