721413

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{347}}^1$

素因数の和:374

約数の個数: 32

約数和(自身を含む): 1336320

約数和(自身を除く): 614907

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 99, 189, 231, 297, 347, 693, 1041, 2079, 2429, 3123, 3817, 7287, 9369, 11451, 21861, 26719, 34353, 65583, 80157, 103059, 240471, 721413]

約数ペア:

[(1, 721413), (3, 240471), (7, 103059), (9, 80157), (11, 65583), (21, 34353), (27, 26719), (33, 21861), (63, 11451), (77, 9369), (99, 7287), (189, 3817), (231, 3123), (297, 2429), (347, 2079), (693, 1041)]