287193195

素因数分解:

$3^6\times 5^1\times {\mathrm{78791}}^1$

素因数の和:78814

約数の個数: 28

約数和(自身を含む): 516717936

約数和(自身を除く): 229524741

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 729, 1215, 3645, 78791, 236373, 393955, 709119, 1181865, 2127357, 3545595, 6382071, 10636785, 19146213, 31910355, 57438639, 95731065, 287193195]

約数ペア:

[(1, 287193195), (3, 95731065), (5, 57438639), (9, 31910355), (15, 19146213), (27, 10636785), (45, 6382071), (81, 3545595), (135, 2127357), (243, 1181865), (405, 709119), (729, 393955), (1215, 236373), (3645, 78791)]