272727

素因数分解:

$3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1$

素因数の和:69

約数の個数: 40

約数和(自身を含む): 514976

約数和(自身を除く): 242249

約数列:

[1, 3, 7, 9, 13, 21, 27, 37, 39, 63, 81, 91, 111, 117, 189, 259, 273, 333, 351, 481, 567, 777, 819, 999, 1053, 1443, 2331, 2457, 2997, 3367, 4329, 6993, 7371, 10101, 12987, 20979, 30303, 38961, 90909, 272727]

約数ペア:

[(1, 272727), (3, 90909), (7, 38961), (9, 30303), (13, 20979), (21, 12987), (27, 10101), (37, 7371), (39, 6993), (63, 4329), (81, 3367), (91, 2997), (111, 2457), (117, 2331), (189, 1443), (259, 1053), (273, 999), (333, 819), (351, 777), (481, 567)]