123490305

素因数分解:

$3^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1$

素因数の和:307

約数の個数: 64

約数和(自身を含む): 226437120

約数和(自身を除く): 102946815

約数列:

[1, 3, 5, 9, 15, 27, 45, 83, 103, 107, 135, 249, 309, 321, 415, 515, 535, 747, 927, 963, 1245, 1545, 1605, 2241, 2781, 2889, 3735, 4635, 4815, 8549, 8881, 11021, 11205, 13905, 14445, 25647, 26643, 33063, 42745, 44405, 55105, 76941, 79929, 99189, 128235, 133215, 165315, 230823, 239787, 297567, 384705, 399645, 495945, 914743, 1154115, 1198935, 1487835, 2744229, 4573715, 8232687, 13721145, 24698061, 41163435, 123490305]

約数ペア:

[(1, 123490305), (3, 41163435), (5, 24698061), (9, 13721145), (15, 8232687), (27, 4573715), (45, 2744229), (83, 1487835), (103, 1198935), (107, 1154115), (135, 914743), (249, 495945), (309, 399645), (321, 384705), (415, 297567), (515, 239787), (535, 230823), (747, 165315), (927, 133215), (963, 128235), (1245, 99189), (1545, 79929), (1605, 76941), (2241, 55105), (2781, 44405), (2889, 42745), (3735, 33063), (4635, 26643), (4815, 25647), (8549, 14445), (8881, 13905), (11021, 11205)]