208207293

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{503}}^1\times {\mathrm{857}}^1$

素因数の和:1393

約数の個数: 32

約数和(自身を含む): 332107776

約数和(自身を除く): 123900483

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 503, 857, 1509, 2571, 3521, 5999, 10563, 11569, 17997, 19711, 34707, 59133, 80983, 137977, 242949, 413931, 431071, 1293213, 3017497, 9052491, 9914633, 29743899, 69402431, 208207293]

約数ペア:

[(1, 208207293), (3, 69402431), (7, 29743899), (21, 9914633), (23, 9052491), (69, 3017497), (161, 1293213), (483, 431071), (503, 413931), (857, 242949), (1509, 137977), (2571, 80983), (3521, 59133), (5999, 34707), (10563, 19711), (11569, 17997)]