27843921

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{269}}^1$

素因数の和:366

約数の個数: 48

約数和(自身を含む): 48522240

約数和(自身を除く): 20678319

約数列:

[1, 3, 7, 9, 21, 31, 53, 63, 93, 159, 217, 269, 279, 371, 477, 651, 807, 1113, 1643, 1883, 1953, 2421, 3339, 4929, 5649, 8339, 11501, 14257, 14787, 16947, 25017, 34503, 42771, 58373, 75051, 99799, 103509, 128313, 175119, 299397, 441967, 525357, 898191, 1325901, 3093769, 3977703, 9281307, 27843921]

約数ペア:

[(1, 27843921), (3, 9281307), (7, 3977703), (9, 3093769), (21, 1325901), (31, 898191), (53, 525357), (63, 441967), (93, 299397), (159, 175119), (217, 128313), (269, 103509), (279, 99799), (371, 75051), (477, 58373), (651, 42771), (807, 34503), (1113, 25017), (1643, 16947), (1883, 14787), (1953, 14257), (2421, 11501), (3339, 8339), (4929, 5649)]