68491215

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:209

約数の個数: 96

約数和(自身を含む): 138692736

約数和(自身を除く): 70201521

約数列:

[1, 3, 5, 9, 13, 15, 17, 39, 45, 51, 65, 71, 85, 97, 117, 153, 195, 213, 221, 255, 291, 355, 485, 585, 639, 663, 765, 873, 923, 1065, 1105, 1207, 1261, 1455, 1649, 1989, 2769, 3195, 3315, 3621, 3783, 4365, 4615, 4947, 6035, 6305, 6887, 8245, 8307, 9945, 10863, 11349, 13845, 14841, 15691, 18105, 18915, 20661, 21437, 24735, 34435, 41535, 47073, 54315, 56745, 61983, 64311, 74205, 78455, 89531, 103305, 107185, 117079, 141219, 192933, 235365, 268593, 309915, 321555, 351237, 447655, 585395, 706095, 805779, 964665, 1053711, 1342965, 1522027, 1756185, 4028895, 4566081, 5268555, 7610135, 13698243, 22830405, 68491215]

約数ペア:

[(1, 68491215), (3, 22830405), (5, 13698243), (9, 7610135), (13, 5268555), (15, 4566081), (17, 4028895), (39, 1756185), (45, 1522027), (51, 1342965), (65, 1053711), (71, 964665), (85, 805779), (97, 706095), (117, 585395), (153, 447655), (195, 351237), (213, 321555), (221, 309915), (255, 268593), (291, 235365), (355, 192933), (485, 141219), (585, 117079), (639, 107185), (663, 103305), (765, 89531), (873, 78455), (923, 74205), (1065, 64311), (1105, 61983), (1207, 56745), (1261, 54315), (1455, 47073), (1649, 41535), (1989, 34435), (2769, 24735), (3195, 21437), (3315, 20661), (3621, 18915), (3783, 18105), (4365, 15691), (4615, 14841), (4947, 13845), (6035, 11349), (6305, 10863), (6887, 9945), (8245, 8307)]