87321549

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{2459}}^1$

素因数の和:2577

約数の個数: 32

約数和(自身を含む): 141696000

約数和(自身を除く): 54374451

約数列:

[1, 3, 7, 19, 21, 57, 89, 133, 267, 399, 623, 1691, 1869, 2459, 5073, 7377, 11837, 17213, 35511, 46721, 51639, 140163, 218851, 327047, 656553, 981141, 1531957, 4158169, 4595871, 12474507, 29107183, 87321549]

約数ペア:

[(1, 87321549), (3, 29107183), (7, 12474507), (19, 4595871), (21, 4158169), (57, 1531957), (89, 981141), (133, 656553), (267, 327047), (399, 218851), (623, 140163), (1691, 51639), (1869, 46721), (2459, 35511), (5073, 17213), (7377, 11837)]