204476139

素因数分解:

$3^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{173}}^1\times {\mathrm{257}}^1$

素因数の和:516

約数の個数: 48

約数和(自身を含む): 345488832

約数和(自身を除く): 141012693

約数列:

[1, 3, 7, 9, 21, 63, 73, 173, 219, 257, 511, 519, 657, 771, 1211, 1533, 1557, 1799, 2313, 3633, 4599, 5397, 10899, 12629, 16191, 18761, 37887, 44461, 56283, 88403, 113661, 131327, 133383, 168849, 265209, 311227, 393981, 400149, 795627, 933681, 1181943, 2801043, 3245653, 9736959, 22719571, 29210877, 68158713, 204476139]

約数ペア:

[(1, 204476139), (3, 68158713), (7, 29210877), (9, 22719571), (21, 9736959), (63, 3245653), (73, 2801043), (173, 1181943), (219, 933681), (257, 795627), (511, 400149), (519, 393981), (657, 311227), (771, 265209), (1211, 168849), (1533, 133383), (1557, 131327), (1799, 113661), (2313, 88403), (3633, 56283), (4599, 44461), (5397, 37887), (10899, 18761), (12629, 16191)]