209957271

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{73}}^2\times {\mathrm{571}}^1$

素因数の和:743

約数の個数: 24

約数和(自身を含む): 296689536

約数和(自身を除く): 86732265

約数列:

[1, 3, 23, 69, 73, 219, 571, 1679, 1713, 5037, 5329, 13133, 15987, 39399, 41683, 122567, 125049, 367701, 958709, 2876127, 3042859, 9128577, 69985757, 209957271]

約数ペア:

[(1, 209957271), (3, 69985757), (23, 9128577), (69, 3042859), (73, 2876127), (219, 958709), (571, 367701), (1679, 125049), (1713, 122567), (5037, 41683), (5329, 39399), (13133, 15987)]