12735225

素因数分解:

$3^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{331}}^1$

素因数の和:372

約数の個数: 60

約数和(自身を含む): 24906640

約数和(自身を除く): 12171415

約数列:

[1, 3, 5, 9, 15, 19, 25, 27, 45, 57, 75, 81, 95, 135, 171, 225, 285, 331, 405, 475, 513, 675, 855, 993, 1425, 1539, 1655, 2025, 2565, 2979, 4275, 4965, 6289, 7695, 8275, 8937, 12825, 14895, 18867, 24825, 26811, 31445, 38475, 44685, 56601, 74475, 94335, 134055, 157225, 169803, 223425, 283005, 471675, 509409, 670275, 849015, 1415025, 2547045, 4245075, 12735225]

約数ペア:

[(1, 12735225), (3, 4245075), (5, 2547045), (9, 1415025), (15, 849015), (19, 670275), (25, 509409), (27, 471675), (45, 283005), (57, 223425), (75, 169803), (81, 157225), (95, 134055), (135, 94335), (171, 74475), (225, 56601), (285, 44685), (331, 38475), (405, 31445), (475, 26811), (513, 24825), (675, 18867), (855, 14895), (993, 12825), (1425, 8937), (1539, 8275), (1655, 7695), (2025, 6289), (2565, 4965), (2979, 4275)]