38720241

素因数分解:

$3^3\times 7^3\times {\mathrm{37}}^1\times {\mathrm{113}}^1$

素因数の和:180

約数の個数: 64

約数和(自身を含む): 69312000

約数和(自身を除く): 30591759

約数列:

[1, 3, 7, 9, 21, 27, 37, 49, 63, 111, 113, 147, 189, 259, 333, 339, 343, 441, 777, 791, 999, 1017, 1029, 1323, 1813, 2331, 2373, 3051, 3087, 4181, 5439, 5537, 6993, 7119, 9261, 12543, 12691, 16317, 16611, 21357, 29267, 37629, 38073, 38759, 48951, 49833, 87801, 112887, 114219, 116277, 149499, 204869, 263403, 342657, 348831, 614607, 790209, 1046493, 1434083, 1843821, 4302249, 5531463, 12906747, 38720241]

約数ペア:

[(1, 38720241), (3, 12906747), (7, 5531463), (9, 4302249), (21, 1843821), (27, 1434083), (37, 1046493), (49, 790209), (63, 614607), (111, 348831), (113, 342657), (147, 263403), (189, 204869), (259, 149499), (333, 116277), (339, 114219), (343, 112887), (441, 87801), (777, 49833), (791, 48951), (999, 38759), (1017, 38073), (1029, 37629), (1323, 29267), (1813, 21357), (2331, 16611), (2373, 16317), (3051, 12691), (3087, 12543), (4181, 9261), (5439, 7119), (5537, 6993)]