557178819

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^2\times {\mathrm{71}}^1$

素因数の和:252

約数の個数: 48

約数和(自身を含む): 828023040

約数和(自身を除く): 270844221

約数列:

[1, 3, 19, 37, 57, 61, 71, 111, 183, 213, 703, 1159, 1349, 2109, 2257, 2627, 3477, 3721, 4047, 4331, 6771, 7881, 11163, 12993, 42883, 49913, 70699, 82289, 128649, 137677, 149739, 160247, 212097, 246867, 264191, 413031, 480741, 792573, 2615863, 3044693, 5019629, 7847589, 9134079, 9775067, 15058887, 29325201, 185726273, 557178819]

約数ペア:

[(1, 557178819), (3, 185726273), (19, 29325201), (37, 15058887), (57, 9775067), (61, 9134079), (71, 7847589), (111, 5019629), (183, 3044693), (213, 2615863), (703, 792573), (1159, 480741), (1349, 413031), (2109, 264191), (2257, 246867), (2627, 212097), (3477, 160247), (3721, 149739), (4047, 137677), (4331, 128649), (6771, 82289), (7881, 70699), (11163, 49913), (12993, 42883)]