257607567

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{3119}}^1$

素因数の和:3177

約数の個数: 64

約数和(自身を含む): 479232000

約数和(自身を除く): 221624433

約数列:

[1, 3, 7, 9, 19, 21, 23, 27, 57, 63, 69, 133, 161, 171, 189, 207, 399, 437, 483, 513, 621, 1197, 1311, 1449, 3059, 3119, 3591, 3933, 4347, 9177, 9357, 11799, 21833, 27531, 28071, 59261, 65499, 71737, 82593, 84213, 177783, 196497, 215211, 414827, 502159, 533349, 589491, 645633, 1244481, 1363003, 1506477, 1600047, 1936899, 3733443, 4089009, 4519431, 9541021, 11200329, 12267027, 13558293, 28623063, 36801081, 85869189, 257607567]

約数ペア:

[(1, 257607567), (3, 85869189), (7, 36801081), (9, 28623063), (19, 13558293), (21, 12267027), (23, 11200329), (27, 9541021), (57, 4519431), (63, 4089009), (69, 3733443), (133, 1936899), (161, 1600047), (171, 1506477), (189, 1363003), (207, 1244481), (399, 645633), (437, 589491), (483, 533349), (513, 502159), (621, 414827), (1197, 215211), (1311, 196497), (1449, 177783), (3059, 84213), (3119, 82593), (3591, 71737), (3933, 65499), (4347, 59261), (9177, 28071), (9357, 27531), (11799, 21833)]