334258431

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{317}}^1\times {\mathrm{1423}}^1$

素因数の和:1775

約数の個数: 32

約数和(自身を含む): 507171840

約数和(自身を除く): 172913409

約数列:

[1, 3, 13, 19, 39, 57, 247, 317, 741, 951, 1423, 4121, 4269, 6023, 12363, 18069, 18499, 27037, 55497, 78299, 81111, 234897, 351481, 451091, 1054443, 1353273, 5864183, 8570729, 17592549, 25712187, 111419477, 334258431]

約数ペア:

[(1, 334258431), (3, 111419477), (13, 25712187), (19, 17592549), (39, 8570729), (57, 5864183), (247, 1353273), (317, 1054443), (741, 451091), (951, 351481), (1423, 234897), (4121, 81111), (4269, 78299), (6023, 55497), (12363, 27037), (18069, 18499)]