16969185

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{223}}^1$

素因数の和:342

約数の個数: 48

約数和(自身を含む): 31449600

約数和(自身を除く): 14480415

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 89, 95, 171, 223, 267, 285, 445, 669, 801, 855, 1115, 1335, 1691, 2007, 3345, 4005, 4237, 5073, 8455, 10035, 12711, 15219, 19847, 21185, 25365, 38133, 59541, 63555, 76095, 99235, 178623, 190665, 297705, 377093, 893115, 1131279, 1885465, 3393837, 5656395, 16969185]

約数ペア:

[(1, 16969185), (3, 5656395), (5, 3393837), (9, 1885465), (15, 1131279), (19, 893115), (45, 377093), (57, 297705), (89, 190665), (95, 178623), (171, 99235), (223, 76095), (267, 63555), (285, 59541), (445, 38133), (669, 25365), (801, 21185), (855, 19847), (1115, 15219), (1335, 12711), (1691, 10035), (2007, 8455), (3345, 5073), (4005, 4237)]