12707865

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{167}}^1$

素因数の和:286

約数の個数: 48

約数和(自身を含む): 23587200

約数和(自身を除く): 10879335

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 89, 95, 167, 171, 267, 285, 445, 501, 801, 835, 855, 1335, 1503, 1691, 2505, 3173, 4005, 5073, 7515, 8455, 9519, 14863, 15219, 15865, 25365, 28557, 44589, 47595, 74315, 76095, 133767, 142785, 222945, 282397, 668835, 847191, 1411985, 2541573, 4235955, 12707865]

約数ペア:

[(1, 12707865), (3, 4235955), (5, 2541573), (9, 1411985), (15, 847191), (19, 668835), (45, 282397), (57, 222945), (89, 142785), (95, 133767), (167, 76095), (171, 74315), (267, 47595), (285, 44589), (445, 28557), (501, 25365), (801, 15865), (835, 15219), (855, 14863), (1335, 9519), (1503, 8455), (1691, 7515), (2505, 5073), (3173, 4005)]