1255145871

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{727}}^1\times {\mathrm{4327}}^1$

素因数の和:5083

約数の個数: 32

約数和(自身を含む): 2016501760

約数和(自身を除く): 761355889

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 727, 2181, 4327, 5089, 12981, 13813, 15267, 30289, 41439, 82213, 90867, 96691, 246639, 290073, 575491, 1726473, 3145729, 9437187, 22020103, 59768851, 66060309, 179306553, 418381957, 1255145871]

約数ペア:

[(1, 1255145871), (3, 418381957), (7, 179306553), (19, 66060309), (21, 59768851), (57, 22020103), (133, 9437187), (399, 3145729), (727, 1726473), (2181, 575491), (4327, 290073), (5089, 246639), (12981, 96691), (13813, 90867), (15267, 82213), (30289, 41439)]