42126721

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1613}}^1$

素因数の和:1681

約数の個数: 24

約数和(自身を含む): 54094824

約数和(自身を除く): 11968103

約数列:

[1, 7, 13, 41, 49, 91, 287, 533, 637, 1613, 2009, 3731, 11291, 20969, 26117, 66133, 79037, 146783, 462931, 859729, 1027481, 3240517, 6018103, 42126721]

約数ペア:

[(1, 42126721), (7, 6018103), (13, 3240517), (41, 1027481), (49, 859729), (91, 462931), (287, 146783), (533, 79037), (637, 66133), (1613, 26117), (2009, 20969), (3731, 11291)]