285468909

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{163}}^1\times {\mathrm{727}}^1$

素因数の和:977

約数の個数: 32

約数和(自身を含む): 424080384

約数和(自身を除く): 138611475

約数列:

[1, 3, 11, 33, 73, 163, 219, 489, 727, 803, 1793, 2181, 2409, 5379, 7997, 11899, 23991, 35697, 53071, 118501, 130889, 159213, 355503, 392667, 583781, 1303511, 1751343, 3910533, 8650573, 25951719, 95156303, 285468909]

約数ペア:

[(1, 285468909), (3, 95156303), (11, 25951719), (33, 8650573), (73, 3910533), (163, 1751343), (219, 1303511), (489, 583781), (727, 392667), (803, 355503), (1793, 159213), (2181, 130889), (2409, 118501), (5379, 53071), (7997, 35697), (11899, 23991)]