211050819

素因数分解:

$3^3\times 7^1\times {\mathrm{857}}^1\times {\mathrm{1303}}^1$

素因数の和:2176

約数の個数: 32

約数和(自身を含む): 358026240

約数和(自身を除く): 146975421

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 857, 1303, 2571, 3909, 5999, 7713, 9121, 11727, 17997, 23139, 27363, 35181, 53991, 82089, 161973, 246267, 1116671, 3350013, 7816697, 10050039, 23450091, 30150117, 70350273, 211050819]

約数ペア:

[(1, 211050819), (3, 70350273), (7, 30150117), (9, 23450091), (21, 10050039), (27, 7816697), (63, 3350013), (189, 1116671), (857, 246267), (1303, 161973), (2571, 82089), (3909, 53991), (5999, 35181), (7713, 27363), (9121, 23139), (11727, 17997)]