84142455

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^2\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:208

約数の個数: 48

約数和(自身を含む): 142912512

約数和(自身を除く): 58770057

約数列:

[1, 3, 5, 15, 41, 47, 71, 123, 141, 205, 213, 235, 355, 615, 705, 1065, 1681, 1927, 2911, 3337, 5043, 5781, 8405, 8733, 9635, 10011, 14555, 16685, 25215, 28905, 43665, 50055, 79007, 119351, 136817, 237021, 358053, 395035, 410451, 596755, 684085, 1185105, 1790265, 2052255, 5609497, 16828491, 28047485, 84142455]

約数ペア:

[(1, 84142455), (3, 28047485), (5, 16828491), (15, 5609497), (41, 2052255), (47, 1790265), (71, 1185105), (123, 684085), (141, 596755), (205, 410451), (213, 395035), (235, 358053), (355, 237021), (615, 136817), (705, 119351), (1065, 79007), (1681, 50055), (1927, 43665), (2911, 28905), (3337, 25215), (5043, 16685), (5781, 14555), (8405, 10011), (8733, 9635)]