15271235

素因数分解:

$5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:267

約数の個数: 32

約数和(自身を含む): 21880320

約数和(自身を除く): 6609085

約数列:

[1, 5, 7, 35, 43, 73, 139, 215, 301, 365, 511, 695, 973, 1505, 2555, 3139, 4865, 5977, 10147, 15695, 21973, 29885, 41839, 50735, 71029, 109865, 209195, 355145, 436321, 2181605, 3054247, 15271235]

約数ペア:

[(1, 15271235), (5, 3054247), (7, 2181605), (35, 436321), (43, 355145), (73, 209195), (139, 109865), (215, 71029), (301, 50735), (365, 41839), (511, 29885), (695, 21973), (973, 15695), (1505, 10147), (2555, 5977), (3139, 4865)]