16155909

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{409}}^1$

素因数の和:455

約数の個数: 64

約数和(自身を含む): 31488000

約数和(自身を除く): 15332091

約数列:

[1, 3, 7, 9, 11, 19, 21, 27, 33, 57, 63, 77, 99, 133, 171, 189, 209, 231, 297, 399, 409, 513, 627, 693, 1197, 1227, 1463, 1881, 2079, 2863, 3591, 3681, 4389, 4499, 5643, 7771, 8589, 11043, 13167, 13497, 23313, 25767, 31493, 39501, 40491, 54397, 69939, 77301, 85481, 94479, 121473, 163191, 209817, 256443, 283437, 489573, 598367, 769329, 850311, 1468719, 1795101, 2307987, 5385303, 16155909]

約数ペア:

[(1, 16155909), (3, 5385303), (7, 2307987), (9, 1795101), (11, 1468719), (19, 850311), (21, 769329), (27, 598367), (33, 489573), (57, 283437), (63, 256443), (77, 209817), (99, 163191), (133, 121473), (171, 94479), (189, 85481), (209, 77301), (231, 69939), (297, 54397), (399, 40491), (409, 39501), (513, 31493), (627, 25767), (693, 23313), (1197, 13497), (1227, 13167), (1463, 11043), (1881, 8589), (2079, 7771), (2863, 5643), (3591, 4499), (3681, 4389)]