2158389621

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{199}}^1\times {\mathrm{347}}^1$

素因数の和:726

約数の個数: 48

約数和(自身を含む): 3300710400

約数和(自身を除く): 1142320779

約数列:

[1, 3, 9, 23, 69, 151, 199, 207, 347, 453, 597, 1041, 1359, 1791, 3123, 3473, 4577, 7981, 10419, 13731, 23943, 30049, 31257, 41193, 52397, 69053, 71829, 90147, 157191, 207159, 270441, 471573, 621477, 691127, 1205131, 1588219, 2073381, 3615393, 4764657, 6220143, 10427003, 10846179, 14293971, 31281009, 93843027, 239821069, 719463207, 2158389621]

約数ペア:

[(1, 2158389621), (3, 719463207), (9, 239821069), (23, 93843027), (69, 31281009), (151, 14293971), (199, 10846179), (207, 10427003), (347, 6220143), (453, 4764657), (597, 3615393), (1041, 2073381), (1359, 1588219), (1791, 1205131), (3123, 691127), (3473, 621477), (4577, 471573), (7981, 270441), (10419, 207159), (13731, 157191), (23943, 90147), (30049, 71829), (31257, 69053), (41193, 52397)]