13281465

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{281}}^1$

素因数の和:449

約数の個数: 32

約数和(自身を含む): 22415616

約数和(自身を除く): 9134151

約数列:

[1, 3, 5, 15, 23, 69, 115, 137, 281, 345, 411, 685, 843, 1405, 2055, 3151, 4215, 6463, 9453, 15755, 19389, 32315, 38497, 47265, 96945, 115491, 192485, 577455, 885431, 2656293, 4427155, 13281465]

約数ペア:

[(1, 13281465), (3, 4427155), (5, 2656293), (15, 885431), (23, 577455), (69, 192485), (115, 115491), (137, 96945), (281, 47265), (345, 38497), (411, 32315), (685, 19389), (843, 15755), (1405, 9453), (2055, 6463), (3151, 4215)]