13312515

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{821}}^1$

素因数の和:899

約数の個数: 32

約数和(自身を含む): 22726656

約数和(自身を除く): 9414141

約数列:

[1, 3, 5, 15, 23, 47, 69, 115, 141, 235, 345, 705, 821, 1081, 2463, 3243, 4105, 5405, 12315, 16215, 18883, 38587, 56649, 94415, 115761, 192935, 283245, 578805, 887501, 2662503, 4437505, 13312515]

約数ペア:

[(1, 13312515), (3, 4437505), (5, 2662503), (15, 887501), (23, 578805), (47, 283245), (69, 192935), (115, 115761), (141, 94415), (235, 56649), (345, 38587), (705, 18883), (821, 16215), (1081, 12315), (2463, 5405), (3243, 4105)]