16688427

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{409}}^1$

素因数の和:515

約数の個数: 32

約数和(自身を含む): 26764800

約数和(自身を除く): 10076373

約数列:

[1, 3, 7, 21, 29, 67, 87, 201, 203, 409, 469, 609, 1227, 1407, 1943, 2863, 5829, 8589, 11861, 13601, 27403, 35583, 40803, 82209, 83027, 191821, 249081, 575463, 794687, 2384061, 5562809, 16688427]

約数ペア:

[(1, 16688427), (3, 5562809), (7, 2384061), (21, 794687), (29, 575463), (67, 249081), (87, 191821), (201, 83027), (203, 82209), (409, 40803), (469, 35583), (609, 27403), (1227, 13601), (1407, 11861), (1943, 8589), (2863, 5829)]