8226981

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1$

素因数の和:143

約数の個数: 64

約数和(自身を含む): 15360000

約数和(自身を除く): 7133019

約数列:

[1, 3, 7, 9, 19, 21, 27, 29, 57, 63, 79, 87, 133, 171, 189, 203, 237, 261, 399, 513, 551, 553, 609, 711, 783, 1197, 1501, 1653, 1659, 1827, 2133, 2291, 3591, 3857, 4503, 4959, 4977, 5481, 6873, 10507, 11571, 13509, 14877, 14931, 16037, 20619, 31521, 34713, 40527, 43529, 48111, 61857, 94563, 104139, 130587, 144333, 283689, 304703, 391761, 432999, 914109, 1175283, 2742327, 8226981]

約数ペア:

[(1, 8226981), (3, 2742327), (7, 1175283), (9, 914109), (19, 432999), (21, 391761), (27, 304703), (29, 283689), (57, 144333), (63, 130587), (79, 104139), (87, 94563), (133, 61857), (171, 48111), (189, 43529), (203, 40527), (237, 34713), (261, 31521), (399, 20619), (513, 16037), (551, 14931), (553, 14877), (609, 13509), (711, 11571), (783, 10507), (1197, 6873), (1501, 5481), (1653, 4977), (1659, 4959), (1827, 4503), (2133, 3857), (2291, 3591)]