816753

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:141

約数の個数: 32

約数和(自身を含む): 1382400

約数和(自身を除く): 565647

約数列:

[1, 3, 7, 19, 21, 23, 57, 69, 89, 133, 161, 267, 399, 437, 483, 623, 1311, 1691, 1869, 2047, 3059, 5073, 6141, 9177, 11837, 14329, 35511, 38893, 42987, 116679, 272251, 816753]

約数ペア:

[(1, 816753), (3, 272251), (7, 116679), (19, 42987), (21, 38893), (23, 35511), (57, 14329), (69, 11837), (89, 9177), (133, 6141), (161, 5073), (267, 3059), (399, 2047), (437, 1869), (483, 1691), (623, 1311)]