31712967

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{601}}^1$

素因数の和:672

約数の個数: 48

約数和(自身を含む): 55220256

約数和(自身を除く): 23507289

約数列:

[1, 3, 9, 11, 13, 33, 39, 41, 99, 117, 123, 143, 369, 429, 451, 533, 601, 1287, 1353, 1599, 1803, 4059, 4797, 5409, 5863, 6611, 7813, 17589, 19833, 23439, 24641, 52767, 59499, 70317, 73923, 85943, 221769, 257829, 271051, 320333, 773487, 813153, 960999, 2439459, 2882997, 3523663, 10570989, 31712967]

約数ペア:

[(1, 31712967), (3, 10570989), (9, 3523663), (11, 2882997), (13, 2439459), (33, 960999), (39, 813153), (41, 773487), (99, 320333), (117, 271051), (123, 257829), (143, 221769), (369, 85943), (429, 73923), (451, 70317), (533, 59499), (601, 52767), (1287, 24641), (1353, 23439), (1599, 19833), (1803, 17589), (4059, 7813), (4797, 6611), (5409, 5863)]