156936213

素因数分解:

$3^2\times 7^1\times {\mathrm{193}}^1\times {\mathrm{12907}}^1$

素因数の和:13113

約数の個数: 24

約数和(自身を含む): 260431808

約数和(自身を除く): 103495595

約数列:

[1, 3, 7, 9, 21, 63, 193, 579, 1351, 1737, 4053, 12159, 12907, 38721, 90349, 116163, 271047, 813141, 2491051, 7473153, 17437357, 22419459, 52312071, 156936213]

約数ペア:

[(1, 156936213), (3, 52312071), (7, 22419459), (9, 17437357), (21, 7473153), (63, 2491051), (193, 813141), (579, 271047), (1351, 116163), (1737, 90349), (4053, 38721), (12159, 12907)]