163918719

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{6997}}^1$

素因数の和:7159

約数の個数: 24

約数和(自身を含む): 251088240

約数和(自身を除く): 87169521

約数列:

[1, 3, 9, 19, 57, 137, 171, 411, 1233, 2603, 6997, 7809, 20991, 23427, 62973, 132943, 398829, 958589, 1196487, 2875767, 8627301, 18213191, 54639573, 163918719]

約数ペア:

[(1, 163918719), (3, 54639573), (9, 18213191), (19, 8627301), (57, 2875767), (137, 1196487), (171, 958589), (411, 398829), (1233, 132943), (2603, 62973), (6997, 23427), (7809, 20991)]