390339747

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{241}}^1\times {\mathrm{547}}^1$

素因数の和:848

約数の個数: 48

約数和(自身を含む): 662019072

約数和(自身を除く): 271679325

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 241, 329, 423, 547, 723, 987, 1641, 1687, 2169, 2961, 3829, 4923, 5061, 11327, 11487, 15183, 25709, 33981, 34461, 77127, 79289, 101943, 131827, 179963, 231381, 237867, 395481, 539889, 713601, 922789, 1186443, 1619667, 2768367, 6195869, 8305101, 18587607, 43371083, 55762821, 130113249, 390339747]

約数ペア:

[(1, 390339747), (3, 130113249), (7, 55762821), (9, 43371083), (21, 18587607), (47, 8305101), (63, 6195869), (141, 2768367), (241, 1619667), (329, 1186443), (423, 922789), (547, 713601), (723, 539889), (987, 395481), (1641, 237867), (1687, 231381), (2169, 179963), (2961, 131827), (3829, 101943), (4923, 79289), (5061, 77127), (11327, 34461), (11487, 33981), (15183, 25709)]