281388407553

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{673}}^1\times {\mathrm{11699}}^1$

素因数の和:12427

約数の個数: 72

約数和(自身を含む): 468700408800

約数和(自身を除く): 187312001247

約数列:

[1, 3, 9, 11, 19, 33, 57, 99, 171, 209, 361, 627, 673, 1083, 1881, 2019, 3249, 3971, 6057, 7403, 11699, 11913, 12787, 22209, 35097, 35739, 38361, 66627, 105291, 115083, 128689, 140657, 222281, 242953, 386067, 421971, 666843, 728859, 1158201, 1265913, 2000529, 2186577, 2445091, 2672483, 4223339, 7335273, 7873427, 8017449, 12670017, 22005819, 23620281, 24052347, 38010051, 46456729, 70860843, 86607697, 139370187, 149595113, 259823091, 418110561, 448785339, 779469273, 1346356017, 1645546243, 2842307147, 4936638729, 8526921441, 14809916187, 25580764323, 31265378617, 93796135851, 281388407553]

約数ペア:

[(1, 281388407553), (3, 93796135851), (9, 31265378617), (11, 25580764323), (19, 14809916187), (33, 8526921441), (57, 4936638729), (99, 2842307147), (171, 1645546243), (209, 1346356017), (361, 779469273), (627, 448785339), (673, 418110561), (1083, 259823091), (1881, 149595113), (2019, 139370187), (3249, 86607697), (3971, 70860843), (6057, 46456729), (7403, 38010051), (11699, 24052347), (11913, 23620281), (12787, 22005819), (22209, 12670017), (35097, 8017449), (35739, 7873427), (38361, 7335273), (66627, 4223339), (105291, 2672483), (115083, 2445091), (128689, 2186577), (140657, 2000529), (222281, 1265913), (242953, 1158201), (386067, 728859), (421971, 666843)]