197263521

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{240859}}^1$

素因数の和:240885

約数の個数: 24

約数和(自身を含む): 350692160

約数和(自身を除く): 153428639

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 240859, 722577, 1686013, 2167731, 3131167, 5058039, 9393501, 15174117, 21918169, 28180503, 65754507, 197263521]

約数ペア:

[(1, 197263521), (3, 65754507), (7, 28180503), (9, 21918169), (13, 15174117), (21, 9393501), (39, 5058039), (63, 3131167), (91, 2167731), (117, 1686013), (273, 722577), (819, 240859)]