40170921

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{1213}}^1$

素因数の和:1325

約数の個数: 32

約数和(自身を含む): 65264640

約数和(自身を除く): 25093719

約数列:

[1, 3, 7, 19, 21, 57, 83, 133, 249, 399, 581, 1213, 1577, 1743, 3639, 4731, 8491, 11039, 23047, 25473, 33117, 69141, 100679, 161329, 302037, 483987, 704753, 1912901, 2114259, 5738703, 13390307, 40170921]

約数ペア:

[(1, 40170921), (3, 13390307), (7, 5738703), (19, 2114259), (21, 1912901), (57, 704753), (83, 483987), (133, 302037), (249, 161329), (399, 100679), (581, 69141), (1213, 33117), (1577, 25473), (1743, 23047), (3639, 11039), (4731, 8491)]