990097911

素因数分解:

$3^6\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:184

約数の個数: 112

約数和(自身を含む): 1722498048

約数和(自身を除く): 732400137

約数列:

[1, 3, 9, 11, 27, 33, 37, 47, 71, 81, 99, 111, 141, 213, 243, 297, 333, 407, 423, 517, 639, 729, 781, 891, 999, 1221, 1269, 1551, 1739, 1917, 2343, 2627, 2673, 2997, 3337, 3663, 3807, 4653, 5217, 5751, 7029, 7881, 8019, 8991, 10011, 10989, 11421, 13959, 15651, 17253, 19129, 21087, 23643, 26973, 28897, 30033, 32967, 34263, 36707, 41877, 46953, 51759, 57387, 63261, 70929, 86691, 90099, 98901, 110121, 123469, 125631, 140859, 172161, 189783, 212787, 260073, 270297, 296703, 330363, 370407, 376893, 422577, 516483, 569349, 638361, 780219, 810891, 991089, 1111221, 1267731, 1358159, 1549449, 1915083, 2340657, 2432673, 2973267, 3333663, 4074477, 4648347, 7021971, 8919801, 10000989, 12223431, 13945041, 21065913, 26759403, 30002967, 36670293, 90008901, 110010879, 330032637, 990097911]

約数ペア:

[(1, 990097911), (3, 330032637), (9, 110010879), (11, 90008901), (27, 36670293), (33, 30002967), (37, 26759403), (47, 21065913), (71, 13945041), (81, 12223431), (99, 10000989), (111, 8919801), (141, 7021971), (213, 4648347), (243, 4074477), (297, 3333663), (333, 2973267), (407, 2432673), (423, 2340657), (517, 1915083), (639, 1549449), (729, 1358159), (781, 1267731), (891, 1111221), (999, 991089), (1221, 810891), (1269, 780219), (1551, 638361), (1739, 569349), (1917, 516483), (2343, 422577), (2627, 376893), (2673, 370407), (2997, 330363), (3337, 296703), (3663, 270297), (3807, 260073), (4653, 212787), (5217, 189783), (5751, 172161), (7029, 140859), (7881, 125631), (8019, 123469), (8991, 110121), (10011, 98901), (10989, 90099), (11421, 86691), (13959, 70929), (15651, 63261), (17253, 57387), (19129, 51759), (21087, 46953), (23643, 41877), (26973, 36707), (28897, 34263), (30033, 32967)]