71566343331

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{25623467}}^1$

素因数の和:25623503

約数の個数: 24

約数和(自身を含む): 116843014080

約数和(自身を除く): 45276670749

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 25623467, 76870401, 179364269, 486845873, 538092807, 1255549883, 1460537619, 3407921111, 3766649649, 10223763333, 23855447777, 71566343331]

約数ペア:

[(1, 71566343331), (3, 23855447777), (7, 10223763333), (19, 3766649649), (21, 3407921111), (49, 1460537619), (57, 1255549883), (133, 538092807), (147, 486845873), (399, 179364269), (931, 76870401), (2793, 25623467)]