13707981

素因数分解:

$3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:147

約数の個数: 64

約数和(自身を含む): 24998400

約数和(自身を除く): 11290419

約数列:

[1, 3, 7, 9, 21, 27, 29, 41, 61, 63, 87, 123, 183, 189, 203, 261, 287, 369, 427, 549, 609, 783, 861, 1107, 1189, 1281, 1647, 1769, 1827, 2501, 2583, 3567, 3843, 5307, 5481, 7503, 7749, 8323, 10701, 11529, 12383, 15921, 17507, 22509, 24969, 32103, 37149, 47763, 52521, 67527, 72529, 74907, 111447, 157563, 217587, 224721, 334341, 472689, 507703, 652761, 1523109, 1958283, 4569327, 13707981]

約数ペア:

[(1, 13707981), (3, 4569327), (7, 1958283), (9, 1523109), (21, 652761), (27, 507703), (29, 472689), (41, 334341), (61, 224721), (63, 217587), (87, 157563), (123, 111447), (183, 74907), (189, 72529), (203, 67527), (261, 52521), (287, 47763), (369, 37149), (427, 32103), (549, 24969), (609, 22509), (783, 17507), (861, 15921), (1107, 12383), (1189, 11529), (1281, 10701), (1647, 8323), (1769, 7749), (1827, 7503), (2501, 5481), (2583, 5307), (3567, 3843)]