1385403915

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{727}}^1\times {\mathrm{18149}}^1$

素因数の和:18891

約数の個数: 32

約数和(自身を含む): 2536934400

約数和(自身を除く): 1151530485

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 727, 2181, 3635, 5089, 10905, 15267, 18149, 25445, 54447, 76335, 90745, 127043, 272235, 381129, 635215, 1905645, 13194323, 39582969, 65971615, 92360261, 197914845, 277080783, 461801305, 1385403915]

約数ペア:

[(1, 1385403915), (3, 461801305), (5, 277080783), (7, 197914845), (15, 92360261), (21, 65971615), (35, 39582969), (105, 13194323), (727, 1905645), (2181, 635215), (3635, 381129), (5089, 272235), (10905, 127043), (15267, 90745), (18149, 76335), (25445, 54447)]