12391275

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{179}}^1$

素因数の和:276

約数の個数: 48

約数和(自身を含む): 22498560

約数和(自身を除く): 10107285

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 71, 75, 179, 195, 213, 325, 355, 537, 895, 923, 975, 1065, 1775, 2327, 2685, 2769, 4475, 4615, 5325, 6981, 11635, 12709, 13425, 13845, 23075, 34905, 38127, 58175, 63545, 69225, 165217, 174525, 190635, 317725, 495651, 826085, 953175, 2478255, 4130425, 12391275]

約数ペア:

[(1, 12391275), (3, 4130425), (5, 2478255), (13, 953175), (15, 826085), (25, 495651), (39, 317725), (65, 190635), (71, 174525), (75, 165217), (179, 69225), (195, 63545), (213, 58175), (325, 38127), (355, 34905), (537, 23075), (895, 13845), (923, 13425), (975, 12709), (1065, 11635), (1775, 6981), (2327, 5325), (2685, 4615), (2769, 4475)]