1258773453

素因数分解:

$3^4\times 7^1\times {\mathrm{2220059}}^1$

素因数の和:2220078

約数の個数: 20

約数和(自身を含む): 2149018080

約数和(自身を除く): 890244627

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 2220059, 6660177, 15540413, 19980531, 46621239, 59941593, 139863717, 179824779, 419591151, 1258773453]

約数ペア:

[(1, 1258773453), (3, 419591151), (7, 179824779), (9, 139863717), (21, 59941593), (27, 46621239), (63, 19980531), (81, 15540413), (189, 6660177), (567, 2220059)]