261940491

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{331}}^1\times {\mathrm{3823}}^1$

素因数の和:4183

約数の個数: 24

約数和(自身を含む): 396105216

約数和(自身を除く): 134164725

約数列:

[1, 3, 9, 23, 69, 207, 331, 993, 2979, 3823, 7613, 11469, 22839, 34407, 68517, 87929, 263787, 791361, 1265413, 3796239, 11388717, 29104499, 87313497, 261940491]

約数ペア:

[(1, 261940491), (3, 87313497), (9, 29104499), (23, 11388717), (69, 3796239), (207, 1265413), (331, 791361), (993, 263787), (2979, 87929), (3823, 68517), (7613, 34407), (11469, 22839)]