78309855

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{44621}}^1$

素因数の和:44648

約数の個数: 32

約数和(自身を含む): 149929920

約数和(自身を除く): 71620065

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 117, 135, 195, 351, 585, 1755, 44621, 133863, 223105, 401589, 580073, 669315, 1204767, 1740219, 2007945, 2900365, 5220657, 6023835, 8701095, 15661971, 26103285, 78309855]

約数ペア:

[(1, 78309855), (3, 26103285), (5, 15661971), (9, 8701095), (13, 6023835), (15, 5220657), (27, 2900365), (39, 2007945), (45, 1740219), (65, 1204767), (117, 669315), (135, 580073), (195, 401589), (351, 223105), (585, 133863), (1755, 44621)]