81955635

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{2083}}^1$

素因数の和:2195

約数の個数: 32

約数和(自身を含む): 136443648

約数和(自身を除く): 54488013

約数列:

[1, 3, 5, 15, 43, 61, 129, 183, 215, 305, 645, 915, 2083, 2623, 6249, 7869, 10415, 13115, 31245, 39345, 89569, 127063, 268707, 381189, 447845, 635315, 1343535, 1905945, 5463709, 16391127, 27318545, 81955635]

約数ペア:

[(1, 81955635), (3, 27318545), (5, 16391127), (15, 5463709), (43, 1905945), (61, 1343535), (129, 635315), (183, 447845), (215, 381189), (305, 268707), (645, 127063), (915, 89569), (2083, 39345), (2623, 31245), (6249, 13115), (7869, 10415)]