91487907

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{349}}^1$

素因数の和:457

約数の個数: 64

約数和(自身を含む): 165760000

約数和(自身を除く): 74272093

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 73, 133, 171, 189, 219, 349, 399, 511, 513, 657, 1047, 1197, 1387, 1533, 1971, 2443, 3141, 3591, 4161, 4599, 6631, 7329, 9423, 9709, 12483, 13797, 19893, 21987, 25477, 29127, 37449, 46417, 59679, 65961, 76431, 87381, 139251, 178339, 179037, 229293, 262143, 417753, 484063, 535017, 687879, 1253259, 1452189, 1605051, 3388441, 4356567, 4815153, 10165323, 13069701, 30495969, 91487907]

約数ペア:

[(1, 91487907), (3, 30495969), (7, 13069701), (9, 10165323), (19, 4815153), (21, 4356567), (27, 3388441), (57, 1605051), (63, 1452189), (73, 1253259), (133, 687879), (171, 535017), (189, 484063), (219, 417753), (349, 262143), (399, 229293), (511, 179037), (513, 178339), (657, 139251), (1047, 87381), (1197, 76431), (1387, 65961), (1533, 59679), (1971, 46417), (2443, 37449), (3141, 29127), (3591, 25477), (4161, 21987), (4599, 19893), (6631, 13797), (7329, 12483), (9423, 9709)]