9981465

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3011}}^1$

素因数の和:3049

約数の個数: 32

約数和(自身を含む): 18216576

約数和(自身を除く): 8235111

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 221, 255, 663, 1105, 3011, 3315, 9033, 15055, 39143, 45165, 51187, 117429, 153561, 195715, 255935, 587145, 665431, 767805, 1996293, 3327155, 9981465]

約数ペア:

[(1, 9981465), (3, 3327155), (5, 1996293), (13, 767805), (15, 665431), (17, 587145), (39, 255935), (51, 195715), (65, 153561), (85, 117429), (195, 51187), (221, 45165), (255, 39143), (663, 15055), (1105, 9033), (3011, 3315)]