940689981

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71443}}^1$

素因数の和:71486

約数の個数: 48

約数和(自身を含む): 1783242240

約数和(自身を除く): 842552259

約数列:

[1, 3, 7, 9, 11, 19, 21, 33, 57, 63, 77, 99, 133, 171, 209, 231, 399, 627, 693, 1197, 1463, 1881, 4389, 13167, 71443, 214329, 500101, 642987, 785873, 1357417, 1500303, 2357619, 4072251, 4500909, 5501111, 7072857, 9501919, 12216753, 14931587, 16503333, 28505757, 44794761, 49509999, 85517271, 104521109, 134384283, 313563327, 940689981]

約数ペア:

[(1, 940689981), (3, 313563327), (7, 134384283), (9, 104521109), (11, 85517271), (19, 49509999), (21, 44794761), (33, 28505757), (57, 16503333), (63, 14931587), (77, 12216753), (99, 9501919), (133, 7072857), (171, 5501111), (209, 4500909), (231, 4072251), (399, 2357619), (627, 1500303), (693, 1357417), (1197, 785873), (1463, 642987), (1881, 500101), (4389, 214329), (13167, 71443)]