221336692647

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{1637}}^1\times {\mathrm{3167}}^1$

素因数の和:4940

約数の個数: 64

約数和(自身を含む): 358676398080

約数和(自身を除く): 137339705433

約数列:

[1, 3, 7, 19, 21, 57, 107, 133, 321, 399, 749, 1637, 2033, 2247, 3167, 4911, 6099, 9501, 11459, 14231, 22169, 31103, 34377, 42693, 60173, 66507, 93309, 175159, 180519, 217721, 338869, 421211, 525477, 653163, 1016607, 1226113, 1263633, 2372083, 3328021, 3678339, 5184379, 6438511, 7116249, 9984063, 15553137, 19315533, 23296147, 36290653, 45069577, 69888441, 98503201, 108871959, 135208731, 295509603, 554728553, 689522407, 1664185659, 2068567221, 3883099871, 10539842507, 11649299613, 31619527521, 73778897549, 221336692647]

約数ペア:

[(1, 221336692647), (3, 73778897549), (7, 31619527521), (19, 11649299613), (21, 10539842507), (57, 3883099871), (107, 2068567221), (133, 1664185659), (321, 689522407), (399, 554728553), (749, 295509603), (1637, 135208731), (2033, 108871959), (2247, 98503201), (3167, 69888441), (4911, 45069577), (6099, 36290653), (9501, 23296147), (11459, 19315533), (14231, 15553137), (22169, 9984063), (31103, 7116249), (34377, 6438511), (42693, 5184379), (60173, 3678339), (66507, 3328021), (93309, 2372083), (175159, 1263633), (180519, 1226113), (217721, 1016607), (338869, 653163), (421211, 525477)]