12947493

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{173}}^1$

素因数の和:309

約数の個数: 32

約数和(自身を含む): 19877760

約数和(自身を除く): 6930267

約数列:

[1, 3, 13, 19, 39, 57, 101, 173, 247, 303, 519, 741, 1313, 1919, 2249, 3287, 3939, 5757, 6747, 9861, 17473, 24947, 42731, 52419, 74841, 128193, 227149, 331987, 681447, 995961, 4315831, 12947493]

約数ペア:

[(1, 12947493), (3, 4315831), (13, 995961), (19, 681447), (39, 331987), (57, 227149), (101, 128193), (173, 74841), (247, 52419), (303, 42731), (519, 24947), (741, 17473), (1313, 9861), (1919, 6747), (2249, 5757), (3287, 3939)]