71737515

素因数分解:

$3^3\times 5^1\times {\mathrm{641}}^1\times {\mathrm{829}}^1$

素因数の和:1484

約数の個数: 32

約数和(自身を含む): 127886400

約数和(自身を除く): 56148885

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 641, 829, 1923, 2487, 3205, 4145, 5769, 7461, 9615, 12435, 17307, 22383, 28845, 37305, 86535, 111915, 531389, 1594167, 2656945, 4782501, 7970835, 14347503, 23912505, 71737515]

約数ペア:

[(1, 71737515), (3, 23912505), (5, 14347503), (9, 7970835), (15, 4782501), (27, 2656945), (45, 1594167), (135, 531389), (641, 111915), (829, 86535), (1923, 37305), (2487, 28845), (3205, 22383), (4145, 17307), (5769, 12435), (7461, 9615)]