13587945

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{139}}^1$

素因数の和:187

約数の個数: 64

約数和(自身を含む): 26880000

約数和(自身を除く): 13292055

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 49, 57, 95, 105, 133, 139, 147, 245, 285, 343, 399, 417, 665, 695, 735, 931, 973, 1029, 1715, 1995, 2085, 2641, 2793, 2919, 4655, 4865, 5145, 6517, 6811, 7923, 13205, 13965, 14595, 18487, 19551, 20433, 32585, 34055, 39615, 47677, 55461, 92435, 97755, 102165, 129409, 143031, 238385, 277305, 388227, 647045, 715155, 905863, 1941135, 2717589, 4529315, 13587945]

約数ペア:

[(1, 13587945), (3, 4529315), (5, 2717589), (7, 1941135), (15, 905863), (19, 715155), (21, 647045), (35, 388227), (49, 277305), (57, 238385), (95, 143031), (105, 129409), (133, 102165), (139, 97755), (147, 92435), (245, 55461), (285, 47677), (343, 39615), (399, 34055), (417, 32585), (665, 20433), (695, 19551), (735, 18487), (931, 14595), (973, 13965), (1029, 13205), (1715, 7923), (1995, 6811), (2085, 6517), (2641, 5145), (2793, 4865), (2919, 4655)]