168808521

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{607}}^1$

素因数の和:694

約数の個数: 64

約数和(自身を含む): 294174720

約数和(自身を除く): 125366199

約数列:

[1, 3, 7, 17, 19, 21, 41, 51, 57, 119, 123, 133, 287, 323, 357, 399, 607, 697, 779, 861, 969, 1821, 2091, 2261, 2337, 4249, 4879, 5453, 6783, 10319, 11533, 12747, 13243, 14637, 16359, 24887, 30957, 34599, 39729, 72233, 74661, 80731, 92701, 174209, 196061, 216699, 242193, 278103, 423079, 472853, 522627, 588183, 1269237, 1372427, 1418559, 2961553, 3309971, 4117281, 8038501, 8884659, 9929913, 24115503, 56269507, 168808521]

約数ペア:

[(1, 168808521), (3, 56269507), (7, 24115503), (17, 9929913), (19, 8884659), (21, 8038501), (41, 4117281), (51, 3309971), (57, 2961553), (119, 1418559), (123, 1372427), (133, 1269237), (287, 588183), (323, 522627), (357, 472853), (399, 423079), (607, 278103), (697, 242193), (779, 216699), (861, 196061), (969, 174209), (1821, 92701), (2091, 80731), (2261, 74661), (2337, 72233), (4249, 39729), (4879, 34599), (5453, 30957), (6783, 24887), (10319, 16359), (11533, 14637), (12747, 13243)]