16878213

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{997}}^1$

素因数の和:1039

約数の個数: 40

約数和(自身を含む): 28981920

約数和(自身を除く): 12103707

約数列:

[1, 3, 9, 11, 19, 27, 33, 57, 81, 99, 171, 209, 297, 513, 627, 891, 997, 1539, 1881, 2991, 5643, 8973, 10967, 16929, 18943, 26919, 32901, 56829, 80757, 98703, 170487, 208373, 296109, 511461, 625119, 888327, 1534383, 1875357, 5626071, 16878213]

約数ペア:

[(1, 16878213), (3, 5626071), (9, 1875357), (11, 1534383), (19, 888327), (27, 625119), (33, 511461), (57, 296109), (81, 208373), (99, 170487), (171, 98703), (209, 80757), (297, 56829), (513, 32901), (627, 26919), (891, 18943), (997, 16929), (1539, 10967), (1881, 8973), (2991, 5643)]