25428669

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{631}}^1$

素因数の和:761

約数の個数: 32

約数和(自身を含む): 41256960

約数和(自身を除く): 15828291

約数列:

[1, 3, 7, 19, 21, 57, 101, 133, 303, 399, 631, 707, 1893, 1919, 2121, 4417, 5757, 11989, 13251, 13433, 35967, 40299, 63731, 83923, 191193, 251769, 446117, 1210889, 1338351, 3632667, 8476223, 25428669]

約数ペア:

[(1, 25428669), (3, 8476223), (7, 3632667), (19, 1338351), (21, 1210889), (57, 446117), (101, 251769), (133, 191193), (303, 83923), (399, 63731), (631, 40299), (707, 35967), (1893, 13433), (1919, 13251), (2121, 11989), (4417, 5757)]