2178393

素因数分解:

$3^1\times 7^3\times {\mathrm{29}}^1\times {\mathrm{73}}^1$

素因数の和:126

約数の個数: 32

約数和(自身を含む): 3552000

約数和(自身を除く): 1373607

約数列:

[1, 3, 7, 21, 29, 49, 73, 87, 147, 203, 219, 343, 511, 609, 1029, 1421, 1533, 2117, 3577, 4263, 6351, 9947, 10731, 14819, 25039, 29841, 44457, 75117, 103733, 311199, 726131, 2178393]

約数ペア:

[(1, 2178393), (3, 726131), (7, 311199), (21, 103733), (29, 75117), (49, 44457), (73, 29841), (87, 25039), (147, 14819), (203, 10731), (219, 9947), (343, 6351), (511, 4263), (609, 3577), (1029, 2117), (1421, 1533)]