28965519

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1$

素因数の和:130

約数の個数: 80

約数和(自身を含む): 52272000

約数和(自身を除く): 23306481

約数列:

[1, 3, 9, 11, 19, 27, 29, 33, 57, 59, 81, 87, 99, 171, 177, 209, 261, 297, 319, 513, 531, 551, 627, 649, 783, 891, 957, 1121, 1539, 1593, 1653, 1711, 1881, 1947, 2349, 2871, 3363, 4779, 4959, 5133, 5643, 5841, 6061, 8613, 10089, 12331, 14877, 15399, 16929, 17523, 18183, 18821, 25839, 30267, 32509, 36993, 44631, 46197, 52569, 54549, 56463, 90801, 97527, 110979, 138591, 163647, 169389, 292581, 332937, 357599, 490941, 508167, 877743, 998811, 1072797, 1524501, 2633229, 3218391, 9655173, 28965519]

約数ペア:

[(1, 28965519), (3, 9655173), (9, 3218391), (11, 2633229), (19, 1524501), (27, 1072797), (29, 998811), (33, 877743), (57, 508167), (59, 490941), (81, 357599), (87, 332937), (99, 292581), (171, 169389), (177, 163647), (209, 138591), (261, 110979), (297, 97527), (319, 90801), (513, 56463), (531, 54549), (551, 52569), (627, 46197), (649, 44631), (783, 36993), (891, 32509), (957, 30267), (1121, 25839), (1539, 18821), (1593, 18183), (1653, 17523), (1711, 16929), (1881, 15399), (1947, 14877), (2349, 12331), (2871, 10089), (3363, 8613), (4779, 6061), (4959, 5841), (5133, 5643)]