12557985

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^3\times {\mathrm{17}}^1\times {\mathrm{37}}^1$

素因数の和:95

約数の個数: 64

約数和(自身を含む): 24033024

約数和(自身を除く): 11475039

約数列:

[1, 3, 5, 11, 15, 17, 33, 37, 51, 55, 85, 111, 121, 165, 185, 187, 255, 363, 407, 555, 561, 605, 629, 935, 1221, 1331, 1815, 1887, 2035, 2057, 2805, 3145, 3993, 4477, 6105, 6171, 6655, 6919, 9435, 10285, 13431, 19965, 20757, 22385, 22627, 30855, 34595, 49247, 67155, 67881, 76109, 103785, 113135, 147741, 228327, 246235, 339405, 380545, 738705, 837199, 1141635, 2511597, 4185995, 12557985]

約数ペア:

[(1, 12557985), (3, 4185995), (5, 2511597), (11, 1141635), (15, 837199), (17, 738705), (33, 380545), (37, 339405), (51, 246235), (55, 228327), (85, 147741), (111, 113135), (121, 103785), (165, 76109), (185, 67881), (187, 67155), (255, 49247), (363, 34595), (407, 30855), (555, 22627), (561, 22385), (605, 20757), (629, 19965), (935, 13431), (1221, 10285), (1331, 9435), (1815, 6919), (1887, 6655), (2035, 6171), (2057, 6105), (2805, 4477), (3145, 3993)]