81633167

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{151}}^1$

素因数の和:252

約数の個数: 48

約数和(自身を含む): 112285440

約数和(自身を除く): 30652273

約数列:

[1, 7, 11, 17, 49, 59, 77, 119, 151, 187, 413, 539, 649, 833, 1003, 1057, 1309, 1661, 2567, 2891, 4543, 7021, 7399, 8909, 9163, 11033, 11627, 17969, 28237, 31801, 49147, 62363, 77231, 81389, 97999, 125783, 151453, 197659, 436541, 540617, 685993, 1060171, 1383613, 1665983, 4801951, 7421197, 11661881, 81633167]

約数ペア:

[(1, 81633167), (7, 11661881), (11, 7421197), (17, 4801951), (49, 1665983), (59, 1383613), (77, 1060171), (119, 685993), (151, 540617), (187, 436541), (413, 197659), (539, 151453), (649, 125783), (833, 97999), (1003, 81389), (1057, 77231), (1309, 62363), (1661, 49147), (2567, 31801), (2891, 28237), (4543, 17969), (7021, 11627), (7399, 11033), (8909, 9163)]