31229667

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{199}}^1$

素因数の和:312

約数の個数: 48

約数和(自身を含む): 53913600

約数和(自身を除く): 22683933

約数列:

[1, 3, 7, 9, 21, 47, 53, 63, 141, 159, 199, 329, 371, 423, 477, 597, 987, 1113, 1393, 1791, 2491, 2961, 3339, 4179, 7473, 9353, 10547, 12537, 17437, 22419, 28059, 31641, 52311, 65471, 73829, 84177, 94923, 156933, 196413, 221487, 495709, 589239, 664461, 1487127, 3469963, 4461381, 10409889, 31229667]

約数ペア:

[(1, 31229667), (3, 10409889), (7, 4461381), (9, 3469963), (21, 1487127), (47, 664461), (53, 589239), (63, 495709), (141, 221487), (159, 196413), (199, 156933), (329, 94923), (371, 84177), (423, 73829), (477, 65471), (597, 52311), (987, 31641), (1113, 28059), (1393, 22419), (1791, 17437), (2491, 12537), (2961, 10547), (3339, 9353), (4179, 7473)]