142857198

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^2\times {\mathrm{107}}^1\times {\mathrm{613}}^1$

素因数の和:750

約数の個数: 72

約数和(自身を含む): 343960344

約数和(自身を除く): 201103146

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 107, 121, 198, 214, 242, 321, 363, 613, 642, 726, 963, 1089, 1177, 1226, 1839, 1926, 2178, 2354, 3531, 3678, 5517, 6743, 7062, 10593, 11034, 12947, 13486, 20229, 21186, 25894, 38841, 40458, 60687, 65591, 74173, 77682, 116523, 121374, 131182, 148346, 196773, 222519, 233046, 393546, 445038, 590319, 667557, 721501, 1180638, 1335114, 1443002, 2164503, 4329006, 6493509, 7936511, 12987018, 15873022, 23809533, 47619066, 71428599, 142857198]

約数ペア:

[(1, 142857198), (2, 71428599), (3, 47619066), (6, 23809533), (9, 15873022), (11, 12987018), (18, 7936511), (22, 6493509), (33, 4329006), (66, 2164503), (99, 1443002), (107, 1335114), (121, 1180638), (198, 721501), (214, 667557), (242, 590319), (321, 445038), (363, 393546), (613, 233046), (642, 222519), (726, 196773), (963, 148346), (1089, 131182), (1177, 121374), (1226, 116523), (1839, 77682), (1926, 74173), (2178, 65591), (2354, 60687), (3531, 40458), (3678, 38841), (5517, 25894), (6743, 21186), (7062, 20229), (10593, 13486), (11034, 12947)]