209706786

素因数分解:

$2^1\times 3^3\times {\mathrm{43}}^1\times {\mathrm{90313}}^1$

素因数の和:90367

約数の個数: 32

約数和(自身を含む): 476857920

約数和(自身を除く): 267151134

約数列:

[1, 2, 3, 6, 9, 18, 27, 43, 54, 86, 129, 258, 387, 774, 1161, 2322, 90313, 180626, 270939, 541878, 812817, 1625634, 2438451, 3883459, 4876902, 7766918, 11650377, 23300754, 34951131, 69902262, 104853393, 209706786]

約数ペア:

[(1, 209706786), (2, 104853393), (3, 69902262), (6, 34951131), (9, 23300754), (18, 11650377), (27, 7766918), (43, 4876902), (54, 3883459), (86, 2438451), (129, 1625634), (258, 812817), (387, 541878), (774, 270939), (1161, 180626), (2322, 90313)]