2180804553

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{373}}^1$

素因数の和:564

約数の個数: 80

約数和(自身を含む): 3584116800

約数和(自身を除く): 1403312247

約数列:

[1, 3, 9, 19, 27, 29, 57, 81, 87, 131, 171, 261, 373, 393, 513, 551, 783, 1119, 1179, 1539, 1653, 2349, 2489, 3357, 3537, 3799, 4959, 7087, 7467, 10071, 10611, 10817, 11397, 14877, 21261, 22401, 30213, 32451, 34191, 44631, 48863, 63783, 67203, 72181, 97353, 102573, 146589, 191349, 201609, 205523, 216543, 292059, 307719, 439767, 574047, 616569, 649629, 876177, 928397, 1319301, 1417027, 1849707, 1948887, 2785191, 3957903, 4251081, 5549121, 5846661, 8355573, 12753243, 16647363, 25066719, 26923513, 38259729, 75200157, 80770539, 114779187, 242311617, 726934851, 2180804553]

約数ペア:

[(1, 2180804553), (3, 726934851), (9, 242311617), (19, 114779187), (27, 80770539), (29, 75200157), (57, 38259729), (81, 26923513), (87, 25066719), (131, 16647363), (171, 12753243), (261, 8355573), (373, 5846661), (393, 5549121), (513, 4251081), (551, 3957903), (783, 2785191), (1119, 1948887), (1179, 1849707), (1539, 1417027), (1653, 1319301), (2349, 928397), (2489, 876177), (3357, 649629), (3537, 616569), (3799, 574047), (4959, 439767), (7087, 307719), (7467, 292059), (10071, 216543), (10611, 205523), (10817, 201609), (11397, 191349), (14877, 146589), (21261, 102573), (22401, 97353), (30213, 72181), (32451, 67203), (34191, 63783), (44631, 48863)]