16820163

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{149}}^1$

素因数の和:308

約数の個数: 32

約数和(自身を含む): 25992000

約数和(自身を除く): 9171837

約数列:

[1, 3, 9, 27, 37, 111, 113, 149, 333, 339, 447, 999, 1017, 1341, 3051, 4023, 4181, 5513, 12543, 16539, 16837, 37629, 49617, 50511, 112887, 148851, 151533, 454599, 622969, 1868907, 5606721, 16820163]

約数ペア:

[(1, 16820163), (3, 5606721), (9, 1868907), (27, 622969), (37, 454599), (111, 151533), (113, 148851), (149, 112887), (333, 50511), (339, 49617), (447, 37629), (999, 16837), (1017, 16539), (1341, 12543), (3051, 5513), (4023, 4181)]