128307501

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{1213}}^1$

素因数の和:1322

約数の個数: 48

約数和(自身を含む): 224230656

約数和(自身を除く): 95923155

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 73, 161, 207, 219, 483, 511, 657, 1213, 1449, 1533, 1679, 3639, 4599, 5037, 8491, 10917, 11753, 15111, 25473, 27899, 35259, 76419, 83697, 88549, 105777, 195293, 251091, 265647, 585879, 619843, 796941, 1757637, 1859529, 2036627, 5578587, 6109881, 14256389, 18329643, 42769167, 128307501]

約数ペア:

[(1, 128307501), (3, 42769167), (7, 18329643), (9, 14256389), (21, 6109881), (23, 5578587), (63, 2036627), (69, 1859529), (73, 1757637), (161, 796941), (207, 619843), (219, 585879), (483, 265647), (511, 251091), (657, 195293), (1213, 105777), (1449, 88549), (1533, 83697), (1679, 76419), (3639, 35259), (4599, 27899), (5037, 25473), (8491, 15111), (10917, 11753)]