636405957

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{1997}}^1$

素因数の和:2083

約数の個数: 64

約数和(自身を含む): 1093305600

約数和(自身を除く): 456899643

約数列:

[1, 3, 9, 11, 27, 29, 33, 37, 87, 99, 111, 261, 297, 319, 333, 407, 783, 957, 999, 1073, 1221, 1997, 2871, 3219, 3663, 5991, 8613, 9657, 10989, 11803, 17973, 21967, 28971, 35409, 53919, 57913, 65901, 73889, 106227, 173739, 197703, 221667, 318681, 521217, 593109, 637043, 665001, 812779, 1563651, 1911129, 1995003, 2142781, 2438337, 5733387, 6428343, 7315011, 17200161, 19285029, 21945033, 23570591, 57855087, 70711773, 212135319, 636405957]

約数ペア:

[(1, 636405957), (3, 212135319), (9, 70711773), (11, 57855087), (27, 23570591), (29, 21945033), (33, 19285029), (37, 17200161), (87, 7315011), (99, 6428343), (111, 5733387), (261, 2438337), (297, 2142781), (319, 1995003), (333, 1911129), (407, 1563651), (783, 812779), (957, 665001), (999, 637043), (1073, 593109), (1221, 521217), (1997, 318681), (2871, 221667), (3219, 197703), (3663, 173739), (5991, 106227), (8613, 73889), (9657, 65901), (10989, 57913), (11803, 53919), (17973, 35409), (21967, 28971)]