75721821

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{1879}}^1$

素因数の和:2009

約数の個数: 32

約数和(自身を含む): 122726400

約数和(自身を除く): 47004579

約数列:

[1, 3, 7, 19, 21, 57, 101, 133, 303, 399, 707, 1879, 1919, 2121, 5637, 5757, 13153, 13433, 35701, 39459, 40299, 107103, 189779, 249907, 569337, 749721, 1328453, 3605801, 3985359, 10817403, 25240607, 75721821]

約数ペア:

[(1, 75721821), (3, 25240607), (7, 10817403), (19, 3985359), (21, 3605801), (57, 1328453), (101, 749721), (133, 569337), (303, 249907), (399, 189779), (707, 107103), (1879, 40299), (1919, 39459), (2121, 35701), (5637, 13433), (5757, 13153)]