408017799

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{20051}}^1$

素因数の和:20100

約数の個数: 48

約数和(自身を含む): 750746880

約数和(自身を除く): 342729081

約数列:

[1, 3, 7, 9, 17, 19, 21, 51, 57, 63, 119, 133, 153, 171, 323, 357, 399, 969, 1071, 1197, 2261, 2907, 6783, 20051, 20349, 60153, 140357, 180459, 340867, 380969, 421071, 1022601, 1142907, 1263213, 2386069, 2666783, 3067803, 3428721, 6476473, 7158207, 8000349, 19429419, 21474621, 24001047, 45335311, 58288257, 136005933, 408017799]

約数ペア:

[(1, 408017799), (3, 136005933), (7, 58288257), (9, 45335311), (17, 24001047), (19, 21474621), (21, 19429419), (51, 8000349), (57, 7158207), (63, 6476473), (119, 3428721), (133, 3067803), (153, 2666783), (171, 2386069), (323, 1263213), (357, 1142907), (399, 1022601), (969, 421071), (1071, 380969), (1197, 340867), (2261, 180459), (2907, 140357), (6783, 60153), (20051, 20349)]