399897729

素因数分解:

$3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{661}}^1$

素因数の和:788

約数の個数: 80

約数和(自身を含む): 753599616

約数和(自身を除く): 353701887

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 81, 97, 99, 189, 231, 291, 297, 567, 661, 679, 693, 873, 891, 1067, 1983, 2037, 2079, 2619, 3201, 4627, 5949, 6111, 6237, 7271, 7469, 7857, 9603, 13881, 17847, 18333, 21813, 22407, 28809, 41643, 50897, 53541, 54999, 64117, 65439, 67221, 86427, 124929, 152691, 192351, 196317, 201663, 374787, 448819, 458073, 577053, 588951, 604989, 705287, 1346457, 1374219, 1731159, 2115861, 4039371, 4122657, 4937009, 5193477, 6347583, 12118113, 14811027, 19042749, 36354339, 44433081, 57128247, 133299243, 399897729]

約数ペア:

[(1, 399897729), (3, 133299243), (7, 57128247), (9, 44433081), (11, 36354339), (21, 19042749), (27, 14811027), (33, 12118113), (63, 6347583), (77, 5193477), (81, 4937009), (97, 4122657), (99, 4039371), (189, 2115861), (231, 1731159), (291, 1374219), (297, 1346457), (567, 705287), (661, 604989), (679, 588951), (693, 577053), (873, 458073), (891, 448819), (1067, 374787), (1983, 201663), (2037, 196317), (2079, 192351), (2619, 152691), (3201, 124929), (4627, 86427), (5949, 67221), (6111, 65439), (6237, 64117), (7271, 54999), (7469, 53541), (7857, 50897), (9603, 41643), (13881, 28809), (17847, 22407), (18333, 21813)]