222743171

素因数分解:

$7^5\times {\mathrm{29}}^1\times {\mathrm{457}}^1$

素因数の和:521

約数の個数: 24

約数和(自身を含む): 269413920

約数和(自身を除く): 46670749

約数列:

[1, 7, 29, 49, 203, 343, 457, 1421, 2401, 3199, 9947, 13253, 16807, 22393, 69629, 92771, 156751, 487403, 649397, 1097257, 4545779, 7680799, 31820453, 222743171]

約数ペア:

[(1, 222743171), (7, 31820453), (29, 7680799), (49, 4545779), (203, 1097257), (343, 649397), (457, 487403), (1421, 156751), (2401, 92771), (3199, 69629), (9947, 22393), (13253, 16807)]