53909247

素因数分解:

$3^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{157}}^1\times {\mathrm{197}}^1$

素因数の和:447

約数の個数: 32

約数和(自身を含む): 84091392

約数和(自身を除く): 30182145

約数列:

[1, 3, 7, 21, 83, 157, 197, 249, 471, 581, 591, 1099, 1379, 1743, 3297, 4137, 13031, 16351, 30929, 39093, 49053, 91217, 92787, 114457, 216503, 273651, 343371, 649509, 2567107, 7701321, 17969749, 53909247]

約数ペア:

[(1, 53909247), (3, 17969749), (7, 7701321), (21, 2567107), (83, 649509), (157, 343371), (197, 273651), (249, 216503), (471, 114457), (581, 92787), (591, 91217), (1099, 49053), (1379, 39093), (1743, 30929), (3297, 16351), (4137, 13031)]