421356711

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{331}}^1\times {\mathrm{971}}^1$

素因数の和:1347

約数の個数: 32

約数和(自身を含む): 619591680

約数和(自身を除く): 198234969

約数列:

[1, 3, 19, 23, 57, 69, 331, 437, 971, 993, 1311, 2913, 6289, 7613, 18449, 18867, 22333, 22839, 55347, 66999, 144647, 321401, 424327, 433941, 964203, 1272981, 6106619, 7392223, 18319857, 22176669, 140452237, 421356711]

約数ペア:

[(1, 421356711), (3, 140452237), (19, 22176669), (23, 18319857), (57, 7392223), (69, 6106619), (331, 1272981), (437, 964203), (971, 433941), (993, 424327), (1311, 321401), (2913, 144647), (6289, 66999), (7613, 55347), (18449, 22839), (18867, 22333)]