23943969

素因数分解:

$3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:238

約数の個数: 48

約数和(自身を含む): 41243904

約数和(自身を除く): 17299935

約数列:

[1, 3, 7, 9, 21, 53, 63, 71, 101, 159, 213, 303, 371, 477, 497, 639, 707, 909, 1113, 1491, 2121, 3339, 3763, 4473, 5353, 6363, 7171, 11289, 16059, 21513, 26341, 33867, 37471, 48177, 50197, 64539, 79023, 112413, 150591, 237069, 337239, 380063, 451773, 1140189, 2660441, 3420567, 7981323, 23943969]

約数ペア:

[(1, 23943969), (3, 7981323), (7, 3420567), (9, 2660441), (21, 1140189), (53, 451773), (63, 380063), (71, 337239), (101, 237069), (159, 150591), (213, 112413), (303, 79023), (371, 64539), (477, 50197), (497, 48177), (639, 37471), (707, 33867), (909, 26341), (1113, 21513), (1491, 16059), (2121, 11289), (3339, 7171), (3763, 6363), (4473, 5353)]