15268239

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:240

約数の個数: 48

約数和(自身を含む): 26694720

約数和(自身を除く): 11426481

約数列:

[1, 3, 7, 9, 21, 29, 61, 63, 87, 137, 183, 203, 261, 411, 427, 549, 609, 959, 1233, 1281, 1769, 1827, 2877, 3843, 3973, 5307, 8357, 8631, 11919, 12383, 15921, 25071, 27811, 35757, 37149, 58499, 75213, 83433, 111447, 175497, 242353, 250299, 526491, 727059, 1696471, 2181177, 5089413, 15268239]

約数ペア:

[(1, 15268239), (3, 5089413), (7, 2181177), (9, 1696471), (21, 727059), (29, 526491), (61, 250299), (63, 242353), (87, 175497), (137, 111447), (183, 83433), (203, 75213), (261, 58499), (411, 37149), (427, 35757), (549, 27811), (609, 25071), (959, 15921), (1233, 12383), (1281, 11919), (1769, 8631), (1827, 8357), (2877, 5307), (3843, 3973)]