28678695

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{2141}}^1$

素因数の和:2215

約数の個数: 32

約数和(自身を含む): 49351680

約数和(自身を除く): 20672985

約数列:

[1, 3, 5, 15, 19, 47, 57, 95, 141, 235, 285, 705, 893, 2141, 2679, 4465, 6423, 10705, 13395, 32115, 40679, 100627, 122037, 203395, 301881, 503135, 610185, 1509405, 1911913, 5735739, 9559565, 28678695]

約数ペア:

[(1, 28678695), (3, 9559565), (5, 5735739), (15, 1911913), (19, 1509405), (47, 610185), (57, 503135), (95, 301881), (141, 203395), (235, 122037), (285, 100627), (705, 40679), (893, 32115), (2141, 13395), (2679, 10705), (4465, 6423)]