2971215

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1693}}^1$

素因数の和:1720

約数の個数: 32

約数和(自身を含む): 5691840

約数和(自身を除く): 2720625

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 117, 135, 195, 351, 585, 1693, 1755, 5079, 8465, 15237, 22009, 25395, 45711, 66027, 76185, 110045, 198081, 228555, 330135, 594243, 990405, 2971215]

約数ペア:

[(1, 2971215), (3, 990405), (5, 594243), (9, 330135), (13, 228555), (15, 198081), (27, 110045), (39, 76185), (45, 66027), (65, 45711), (117, 25395), (135, 22009), (195, 15237), (351, 8465), (585, 5079), (1693, 1755)]