31941147

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{277}}^1$

素因数の和:340

約数の個数: 48

約数和(自身を含む): 54621440

約数和(自身を除く): 22680293

約数列:

[1, 3, 7, 17, 19, 21, 51, 57, 119, 133, 277, 289, 323, 357, 399, 831, 867, 969, 1939, 2023, 2261, 4709, 5263, 5491, 5817, 6069, 6783, 14127, 15789, 16473, 32963, 36841, 38437, 80053, 89471, 98889, 110523, 115311, 240159, 268413, 560371, 626297, 1521007, 1681113, 1878891, 4563021, 10647049, 31941147]

約数ペア:

[(1, 31941147), (3, 10647049), (7, 4563021), (17, 1878891), (19, 1681113), (21, 1521007), (51, 626297), (57, 560371), (119, 268413), (133, 240159), (277, 115311), (289, 110523), (323, 98889), (357, 89471), (399, 80053), (831, 38437), (867, 36841), (969, 32963), (1939, 16473), (2023, 15789), (2261, 14127), (4709, 6783), (5263, 6069), (5491, 5817)]