13280865

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^4\times {\mathrm{31}}^1$

素因数の和:91

約数の個数: 40

約数和(自身を含む): 23762688

約数和(自身を除く): 10481823

約数列:

[1, 3, 5, 13, 15, 31, 39, 65, 93, 155, 169, 195, 403, 465, 507, 845, 1209, 2015, 2197, 2535, 5239, 6045, 6591, 10985, 15717, 26195, 28561, 32955, 68107, 78585, 85683, 142805, 204321, 340535, 428415, 885391, 1021605, 2656173, 4426955, 13280865]

約数ペア:

[(1, 13280865), (3, 4426955), (5, 2656173), (13, 1021605), (15, 885391), (31, 428415), (39, 340535), (65, 204321), (93, 142805), (155, 85683), (169, 78585), (195, 68107), (403, 32955), (465, 28561), (507, 26195), (845, 15717), (1209, 10985), (2015, 6591), (2197, 6045), (2535, 5239)]