42505785

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{521}}^1$

素因数の和:583

約数の個数: 72

約数和(自身を含む): 88190856

約数和(自身を除く): 45685071

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 37, 45, 49, 63, 105, 111, 147, 185, 245, 259, 315, 333, 441, 521, 555, 735, 777, 1295, 1563, 1665, 1813, 2205, 2331, 2605, 3647, 3885, 4689, 5439, 7815, 9065, 10941, 11655, 16317, 18235, 19277, 23445, 25529, 27195, 32823, 54705, 57831, 76587, 81585, 96385, 127645, 134939, 164115, 173493, 229761, 289155, 382935, 404817, 674695, 867465, 944573, 1148805, 1214451, 2024085, 2833719, 4722865, 6072255, 8501157, 14168595, 42505785]

約数ペア:

[(1, 42505785), (3, 14168595), (5, 8501157), (7, 6072255), (9, 4722865), (15, 2833719), (21, 2024085), (35, 1214451), (37, 1148805), (45, 944573), (49, 867465), (63, 674695), (105, 404817), (111, 382935), (147, 289155), (185, 229761), (245, 173493), (259, 164115), (315, 134939), (333, 127645), (441, 96385), (521, 81585), (555, 76587), (735, 57831), (777, 54705), (1295, 32823), (1563, 27195), (1665, 25529), (1813, 23445), (2205, 19277), (2331, 18235), (2605, 16317), (3647, 11655), (3885, 10941), (4689, 9065), (5439, 7815)]