2784839253

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{148501}}^1$

素因数の和:148577

約数の個数: 32

約数和(自身を含む): 4561981440

約数和(自身を除く): 1777142187

約数列:

[1, 3, 7, 19, 21, 47, 57, 133, 141, 329, 399, 893, 987, 2679, 6251, 18753, 148501, 445503, 1039507, 2821519, 3118521, 6979547, 8464557, 19750633, 20938641, 48856829, 59251899, 132611393, 146570487, 397834179, 928279751, 2784839253]

約数ペア:

[(1, 2784839253), (3, 928279751), (7, 397834179), (19, 146570487), (21, 132611393), (47, 59251899), (57, 48856829), (133, 20938641), (141, 19750633), (329, 8464557), (399, 6979547), (893, 3118521), (987, 2821519), (2679, 1039507), (6251, 445503), (18753, 148501)]