218216943

素因数分解:

$3^3\times 7^3\times {\mathrm{23563}}^1$

素因数の和:23593

約数の個数: 32

約数和(自身を含む): 377024000

約数和(自身を除く): 158807057

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 343, 441, 1029, 1323, 3087, 9261, 23563, 70689, 164941, 212067, 494823, 636201, 1154587, 1484469, 3463761, 4453407, 8082109, 10391283, 24246327, 31173849, 72738981, 218216943]

約数ペア:

[(1, 218216943), (3, 72738981), (7, 31173849), (9, 24246327), (21, 10391283), (27, 8082109), (49, 4453407), (63, 3463761), (147, 1484469), (189, 1154587), (343, 636201), (441, 494823), (1029, 212067), (1323, 164941), (3087, 70689), (9261, 23563)]