289097985

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{7331}}^1$

素因数の和:7589

約数の個数: 32

約数和(自身を含む): 506787840

約数和(自身を除く): 217689855

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 239, 717, 1195, 2629, 3585, 7331, 7887, 13145, 21993, 36655, 39435, 80641, 109965, 241923, 403205, 1209615, 1752109, 5256327, 8760545, 19273199, 26281635, 57819597, 96365995, 289097985]

約数ペア:

[(1, 289097985), (3, 96365995), (5, 57819597), (11, 26281635), (15, 19273199), (33, 8760545), (55, 5256327), (165, 1752109), (239, 1209615), (717, 403205), (1195, 241923), (2629, 109965), (3585, 80641), (7331, 39435), (7887, 36655), (13145, 21993)]