206821359

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{263}}^1$

素因数の和:452

約数の個数: 48

約数和(自身を含む): 326177280

約数和(自身を除く): 119355921

約数列:

[1, 3, 9, 23, 29, 69, 87, 131, 207, 261, 263, 393, 667, 789, 1179, 2001, 2367, 3013, 3799, 6003, 6049, 7627, 9039, 11397, 18147, 22881, 27117, 34191, 34453, 54441, 68643, 87377, 103359, 175421, 262131, 310077, 526263, 786393, 792419, 999137, 1578789, 2377257, 2997411, 7131771, 8992233, 22980151, 68940453, 206821359]

約数ペア:

[(1, 206821359), (3, 68940453), (9, 22980151), (23, 8992233), (29, 7131771), (69, 2997411), (87, 2377257), (131, 1578789), (207, 999137), (261, 792419), (263, 786393), (393, 526263), (667, 310077), (789, 262131), (1179, 175421), (2001, 103359), (2367, 87377), (3013, 68643), (3799, 54441), (6003, 34453), (6049, 34191), (7627, 27117), (9039, 22881), (11397, 18147)]