171570213

素因数分解:

$3^2\times {\mathrm{31}}^2\times {\mathrm{83}}^1\times {\mathrm{239}}^1$

素因数の和:390

約数の個数: 36

約数和(自身を含む): 260245440

約数和(自身を除く): 88675227

約数列:

[1, 3, 9, 31, 83, 93, 239, 249, 279, 717, 747, 961, 2151, 2573, 2883, 7409, 7719, 8649, 19837, 22227, 23157, 59511, 66681, 79763, 178533, 229679, 239289, 614947, 689037, 717867, 1844841, 2067111, 5534523, 19063357, 57190071, 171570213]

約数ペア:

[(1, 171570213), (3, 57190071), (9, 19063357), (31, 5534523), (83, 2067111), (93, 1844841), (239, 717867), (249, 689037), (279, 614947), (717, 239289), (747, 229679), (961, 178533), (2151, 79763), (2573, 66681), (2883, 59511), (7409, 23157), (7719, 22227), (8649, 19837)]