280215

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{479}}^1$

素因数の和:503

約数の個数: 24

約数和(自身を含む): 524160

約数和(自身を除く): 243945

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 479, 585, 1437, 2395, 4311, 6227, 7185, 18681, 21555, 31135, 56043, 93405, 280215]

約数ペア:

[(1, 280215), (3, 93405), (5, 56043), (9, 31135), (13, 21555), (15, 18681), (39, 7185), (45, 6227), (65, 4311), (117, 2395), (195, 1437), (479, 585)]