248996979

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{51329}}^1$

素因数の和:51360

約数の個数: 36

約数和(自身を含む): 456426360

約数和(自身を除く): 207429381

約数列:

[1, 3, 7, 9, 11, 21, 33, 49, 63, 77, 99, 147, 231, 441, 539, 693, 1617, 4851, 51329, 153987, 359303, 461961, 564619, 1077909, 1693857, 2515121, 3233727, 3952333, 5081571, 7545363, 11856999, 22636089, 27666331, 35570997, 82998993, 248996979]

約数ペア:

[(1, 248996979), (3, 82998993), (7, 35570997), (9, 27666331), (11, 22636089), (21, 11856999), (33, 7545363), (49, 5081571), (63, 3952333), (77, 3233727), (99, 2515121), (147, 1693857), (231, 1077909), (441, 564619), (539, 461961), (693, 359303), (1617, 153987), (4851, 51329)]