25311429

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{277}}^1$

素因数の和:378

約数の個数: 48

約数和(自身を含む): 43714944

約数和(自身を除く): 18403515

約数列:

[1, 3, 9, 11, 13, 33, 39, 71, 99, 117, 143, 213, 277, 429, 639, 781, 831, 923, 1287, 2343, 2493, 2769, 3047, 3601, 7029, 8307, 9141, 10153, 10803, 19667, 27423, 30459, 32409, 39611, 59001, 91377, 118833, 177003, 216337, 255671, 356499, 649011, 767013, 1947033, 2301039, 2812381, 8437143, 25311429]

約数ペア:

[(1, 25311429), (3, 8437143), (9, 2812381), (11, 2301039), (13, 1947033), (33, 767013), (39, 649011), (71, 356499), (99, 255671), (117, 216337), (143, 177003), (213, 118833), (277, 91377), (429, 59001), (639, 39611), (781, 32409), (831, 30459), (923, 27423), (1287, 19667), (2343, 10803), (2493, 10153), (2769, 9141), (3047, 8307), (3601, 7029)]