72921321

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{431}}^1\times {\mathrm{1709}}^1$

素因数の和:2157

約数の個数: 24

約数和(自身を含む): 115240320

約数和(自身を除く): 42318999

約数列:

[1, 3, 9, 11, 33, 99, 431, 1293, 1709, 3879, 4741, 5127, 14223, 15381, 18799, 42669, 56397, 169191, 736579, 2209737, 6629211, 8102369, 24307107, 72921321]

約数ペア:

[(1, 72921321), (3, 24307107), (9, 8102369), (11, 6629211), (33, 2209737), (99, 736579), (431, 169191), (1293, 56397), (1709, 42669), (3879, 18799), (4741, 15381), (5127, 14223)]