201123255

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{1913}}^1$

素因数の和:2127

約数の個数: 32

約数和(自身を含む): 331474176

約数和(自身を除く): 130350921

約数列:

[1, 3, 5, 15, 43, 129, 163, 215, 489, 645, 815, 1913, 2445, 5739, 7009, 9565, 21027, 28695, 35045, 82259, 105135, 246777, 311819, 411295, 935457, 1233885, 1559095, 4677285, 13408217, 40224651, 67041085, 201123255]

約数ペア:

[(1, 201123255), (3, 67041085), (5, 40224651), (15, 13408217), (43, 4677285), (129, 1559095), (163, 1233885), (215, 935457), (489, 411295), (645, 311819), (815, 246777), (1913, 105135), (2445, 82259), (5739, 35045), (7009, 28695), (9565, 21027)]