1321047

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1613}}^1$

素因数の和:1639

約数の個数: 24

約数和(自身を含む): 2349984

約数和(自身を除く): 1028937

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 1613, 4839, 11291, 14517, 20969, 33873, 62907, 101619, 146783, 188721, 440349, 1321047]

約数ペア:

[(1, 1321047), (3, 440349), (7, 188721), (9, 146783), (13, 101619), (21, 62907), (39, 33873), (63, 20969), (91, 14517), (117, 11291), (273, 4839), (819, 1613)]