81298065

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^3\times {\mathrm{107}}^1$

素因数の和:226

約数の個数: 32

約数和(自身を含む): 134939520

約数和(自身を除く): 53641455

約数列:

[1, 3, 5, 15, 37, 107, 111, 185, 321, 535, 555, 1369, 1605, 3959, 4107, 6845, 11877, 19795, 20535, 50653, 59385, 146483, 151959, 253265, 439449, 732415, 759795, 2197245, 5419871, 16259613, 27099355, 81298065]

約数ペア:

[(1, 81298065), (3, 27099355), (5, 16259613), (15, 5419871), (37, 2197245), (107, 759795), (111, 732415), (185, 439449), (321, 253265), (535, 151959), (555, 146483), (1369, 59385), (1605, 50653), (3959, 20535), (4107, 19795), (6845, 11877)]