1277157903

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{457271}}^1$

素因数の和:457307

約数の個数: 24

約数和(自身を含む): 2085160320

約数和(自身を除く): 808002417

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 457271, 1371813, 3200897, 8688149, 9602691, 22406279, 26064447, 60817043, 67218837, 182451129, 425719301, 1277157903]

約数ペア:

[(1, 1277157903), (3, 425719301), (7, 182451129), (19, 67218837), (21, 60817043), (49, 26064447), (57, 22406279), (133, 9602691), (147, 8688149), (399, 3200897), (931, 1371813), (2793, 457271)]