68081715

素因数分解:

$3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{193}}^1$

素因数の和:290

約数の個数: 80

約数和(自身を含む): 134083488

約数和(自身を除く): 66001773

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 67, 81, 117, 135, 193, 195, 201, 335, 351, 405, 579, 585, 603, 871, 965, 1005, 1053, 1737, 1755, 1809, 2509, 2613, 2895, 3015, 4355, 5211, 5265, 5427, 7527, 7839, 8685, 9045, 12545, 12931, 13065, 15633, 22581, 23517, 26055, 27135, 37635, 38793, 39195, 64655, 67743, 70551, 78165, 112905, 116379, 117585, 168103, 193965, 203229, 338715, 349137, 352755, 504309, 581895, 840515, 1016145, 1047411, 1512927, 1745685, 2521545, 4538781, 5237055, 7564635, 13616343, 22693905, 68081715]

約数ペア:

[(1, 68081715), (3, 22693905), (5, 13616343), (9, 7564635), (13, 5237055), (15, 4538781), (27, 2521545), (39, 1745685), (45, 1512927), (65, 1047411), (67, 1016145), (81, 840515), (117, 581895), (135, 504309), (193, 352755), (195, 349137), (201, 338715), (335, 203229), (351, 193965), (405, 168103), (579, 117585), (585, 116379), (603, 112905), (871, 78165), (965, 70551), (1005, 67743), (1053, 64655), (1737, 39195), (1755, 38793), (1809, 37635), (2509, 27135), (2613, 26055), (2895, 23517), (3015, 22581), (4355, 15633), (5211, 13065), (5265, 12931), (5427, 12545), (7527, 9045), (7839, 8685)]