16490061

素因数分解:

$3^4\times 7^1\times {\mathrm{127}}^1\times {\mathrm{229}}^1$

素因数の和:375

約数の個数: 40

約数和(自身を含む): 28497920

約数和(自身を除く): 12007859

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 127, 189, 229, 381, 567, 687, 889, 1143, 1603, 2061, 2667, 3429, 4809, 6183, 8001, 10287, 14427, 18549, 24003, 29083, 43281, 72009, 87249, 129843, 203581, 261747, 610743, 785241, 1832229, 2355723, 5496687, 16490061]

約数ペア:

[(1, 16490061), (3, 5496687), (7, 2355723), (9, 1832229), (21, 785241), (27, 610743), (63, 261747), (81, 203581), (127, 129843), (189, 87249), (229, 72009), (381, 43281), (567, 29083), (687, 24003), (889, 18549), (1143, 14427), (1603, 10287), (2061, 8001), (2667, 6183), (3429, 4809)]