215547267

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{241}}^1$

素因数の和:364

約数の個数: 64

約数和(自身を含む): 351267840

約数和(自身を除く): 135720573

約数列:

[1, 3, 13, 17, 19, 39, 51, 57, 71, 213, 221, 241, 247, 323, 663, 723, 741, 923, 969, 1207, 1349, 2769, 3133, 3621, 4047, 4097, 4199, 4579, 9399, 12291, 12597, 13737, 15691, 17111, 17537, 22933, 47073, 51333, 52611, 53261, 59527, 68799, 77843, 159783, 178581, 222443, 233529, 290887, 298129, 325109, 667329, 872661, 894387, 975327, 1011959, 3035877, 3781531, 4226417, 5526853, 11344593, 12679251, 16580559, 71849089, 215547267]

約数ペア:

[(1, 215547267), (3, 71849089), (13, 16580559), (17, 12679251), (19, 11344593), (39, 5526853), (51, 4226417), (57, 3781531), (71, 3035877), (213, 1011959), (221, 975327), (241, 894387), (247, 872661), (323, 667329), (663, 325109), (723, 298129), (741, 290887), (923, 233529), (969, 222443), (1207, 178581), (1349, 159783), (2769, 77843), (3133, 68799), (3621, 59527), (4047, 53261), (4097, 52611), (4199, 51333), (4579, 47073), (9399, 22933), (12291, 17537), (12597, 17111), (13737, 15691)]