17297721

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{521}}^1$

素因数の和:582

約数の個数: 48

約数和(自身を含む): 31269888

約数和(自身を除く): 13972167

約数列:

[1, 3, 7, 9, 17, 21, 31, 51, 63, 93, 119, 153, 217, 279, 357, 521, 527, 651, 1071, 1563, 1581, 1953, 3647, 3689, 4689, 4743, 8857, 10941, 11067, 16151, 26571, 32823, 33201, 48453, 61999, 79713, 113057, 145359, 185997, 274567, 339171, 557991, 823701, 1017513, 1921969, 2471103, 5765907, 17297721]

約数ペア:

[(1, 17297721), (3, 5765907), (7, 2471103), (9, 1921969), (17, 1017513), (21, 823701), (31, 557991), (51, 339171), (63, 274567), (93, 185997), (119, 145359), (153, 113057), (217, 79713), (279, 61999), (357, 48453), (521, 33201), (527, 32823), (651, 26571), (1071, 16151), (1563, 11067), (1581, 10941), (1953, 8857), (3647, 4743), (3689, 4689)]