71358327

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{21487}}^1$

素因数の和:21540

約数の個数: 20

約数和(自身を含む): 109202016

約数和(自身を除く): 37843689

約数列:

[1, 3, 9, 27, 41, 81, 123, 369, 1107, 3321, 21487, 64461, 193383, 580149, 880967, 1740447, 2642901, 7928703, 23786109, 71358327]

約数ペア:

[(1, 71358327), (3, 23786109), (9, 7928703), (27, 2642901), (41, 1740447), (81, 880967), (123, 580149), (369, 193383), (1107, 64461), (3321, 21487)]