201420981

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{42467}}^1$

素因数の和:42521

約数の個数: 24

約数和(自身を含む): 318000384

約数和(自身を除く): 116579403

約数列:

[1, 3, 9, 17, 31, 51, 93, 153, 279, 527, 1581, 4743, 42467, 127401, 382203, 721939, 1316477, 2165817, 3949431, 6497451, 11848293, 22380109, 67140327, 201420981]

約数ペア:

[(1, 201420981), (3, 67140327), (9, 22380109), (17, 11848293), (31, 6497451), (51, 3949431), (93, 2165817), (153, 1316477), (279, 721939), (527, 382203), (1581, 127401), (4743, 42467)]