31126329

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1249}}^1$

素因数の和:1342

約数の個数: 32

約数和(自身を含む): 50400000

約数和(自身を除く): 19273671

約数列:

[1, 3, 9, 13, 27, 39, 71, 117, 213, 351, 639, 923, 1249, 1917, 2769, 3747, 8307, 11241, 16237, 24921, 33723, 48711, 88679, 146133, 266037, 438399, 798111, 1152827, 2394333, 3458481, 10375443, 31126329]

約数ペア:

[(1, 31126329), (3, 10375443), (9, 3458481), (13, 2394333), (27, 1152827), (39, 798111), (71, 438399), (117, 266037), (213, 146133), (351, 88679), (639, 48711), (923, 33723), (1249, 24921), (1917, 16237), (2769, 11241), (3747, 8307)]