27278415

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{20903}}^1$

素因数の和:20943

約数の個数: 24

約数和(自身を含む): 48915360

約数和(自身を除く): 21636945

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 435, 1305, 20903, 62709, 104515, 188127, 313545, 606187, 940635, 1818561, 3030935, 5455683, 9092805, 27278415]

約数ペア:

[(1, 27278415), (3, 9092805), (5, 5455683), (9, 3030935), (15, 1818561), (29, 940635), (45, 606187), (87, 313545), (145, 188127), (261, 104515), (435, 62709), (1305, 20903)]