15620865

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{80107}}^1$

素因数の和:80128

約数の個数: 16

約数和(自身を含む): 26916288

約数和(自身を除く): 11295423

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 80107, 240321, 400535, 1041391, 1201605, 3124173, 5206955, 15620865]

約数ペア:

[(1, 15620865), (3, 5206955), (5, 3124173), (13, 1201605), (15, 1041391), (39, 400535), (65, 240321), (195, 80107)]