141979989

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{2927}}^1$

素因数の和:3009

約数の個数: 32

約数和(自身を含む): 213626880

約数和(自身を除く): 71646891

約数列:

[1, 3, 19, 23, 37, 57, 69, 111, 437, 703, 851, 1311, 2109, 2553, 2927, 8781, 16169, 48507, 55613, 67321, 108299, 166839, 201963, 324897, 1279099, 2057681, 2490877, 3837297, 6173043, 7472631, 47326663, 141979989]

約数ペア:

[(1, 141979989), (3, 47326663), (19, 7472631), (23, 6173043), (37, 3837297), (57, 2490877), (69, 2057681), (111, 1279099), (437, 324897), (703, 201963), (851, 166839), (1311, 108299), (2109, 67321), (2553, 55613), (2927, 48507), (8781, 16169)]