81502119

素因数分解:

$3^4\times {\mathrm{163}}^1\times {\mathrm{6173}}^1$

素因数の和:6348

約数の個数: 20

約数和(自身を含む): 122516856

約数和(自身を除く): 41014737

約数列:

[1, 3, 9, 27, 81, 163, 489, 1467, 4401, 6173, 13203, 18519, 55557, 166671, 500013, 1006199, 3018597, 9055791, 27167373, 81502119]

約数ペア:

[(1, 81502119), (3, 27167373), (9, 9055791), (27, 3018597), (81, 1006199), (163, 500013), (489, 166671), (1467, 55557), (4401, 18519), (6173, 13203)]