211345146

素因数分解:

$2^1\times 3^3\times {\mathrm{197}}^1\times {\mathrm{19867}}^1$

素因数の和:20075

約数の個数: 32

約数和(自身を含む): 472063680

約数和(自身を除く): 260718534

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 197, 394, 591, 1182, 1773, 3546, 5319, 10638, 19867, 39734, 59601, 119202, 178803, 357606, 536409, 1072818, 3913799, 7827598, 11741397, 23482794, 35224191, 70448382, 105672573, 211345146]

約数ペア:

[(1, 211345146), (2, 105672573), (3, 70448382), (6, 35224191), (9, 23482794), (18, 11741397), (27, 7827598), (54, 3913799), (197, 1072818), (394, 536409), (591, 357606), (1182, 178803), (1773, 119202), (3546, 59601), (5319, 39734), (10638, 19867)]