311215209

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1\times {\mathrm{743}}^1$

素因数の和:997

約数の個数: 32

約数和(自身を含む): 452542464

約数和(自身を除く): 141327255

約数列:

[1, 3, 17, 43, 51, 129, 191, 573, 731, 743, 2193, 2229, 3247, 8213, 9741, 12631, 24639, 31949, 37893, 95847, 139621, 141913, 418863, 425739, 543133, 1629399, 2412521, 6102259, 7237563, 18306777, 103738403, 311215209]

約数ペア:

[(1, 311215209), (3, 103738403), (17, 18306777), (43, 7237563), (51, 6102259), (129, 2412521), (191, 1629399), (573, 543133), (731, 425739), (743, 418863), (2193, 141913), (2229, 139621), (3247, 95847), (8213, 37893), (9741, 31949), (12631, 24639)]