128879895

素因数分解:

$3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{107}}^1\times {\mathrm{1361}}^1$

素因数の和:1535

約数の個数: 32

約数和(自身を含む): 211818240

約数和(自身を除く): 82938345

約数列:

[1, 3, 5, 15, 59, 107, 177, 295, 321, 535, 885, 1361, 1605, 4083, 6313, 6805, 18939, 20415, 31565, 80299, 94695, 145627, 240897, 401495, 436881, 728135, 1204485, 2184405, 8591993, 25775979, 42959965, 128879895]

約数ペア:

[(1, 128879895), (3, 42959965), (5, 25775979), (15, 8591993), (59, 2184405), (107, 1204485), (177, 728135), (295, 436881), (321, 401495), (535, 240897), (885, 145627), (1361, 94695), (1605, 80299), (4083, 31565), (6313, 20415), (6805, 18939)]