81539421

素因数分解:

$3^1\times {\mathrm{101}}^1\times {\mathrm{439}}^1\times {\mathrm{613}}^1$

素因数の和:1156

約数の個数: 16

約数和(自身を含む): 110225280

約数和(自身を除く): 28685859

約数列:

[1, 3, 101, 303, 439, 613, 1317, 1839, 44339, 61913, 133017, 185739, 269107, 807321, 27179807, 81539421]

約数ペア:

[(1, 81539421), (3, 27179807), (101, 807321), (303, 269107), (439, 185739), (613, 133017), (1317, 61913), (1839, 44339)]