155321859

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{509}}^1\times {\mathrm{1321}}^1$

素因数の和:1851

約数の個数: 32

約数和(自身を含む): 258900480

約数和(自身を除く): 103578621

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 509, 1321, 1527, 3563, 3963, 5599, 9247, 10689, 14531, 16797, 27741, 39193, 43593, 101717, 117579, 305151, 672389, 2017167, 4706723, 7396279, 14120169, 22188837, 51773953, 155321859]

約数ペア:

[(1, 155321859), (3, 51773953), (7, 22188837), (11, 14120169), (21, 7396279), (33, 4706723), (77, 2017167), (231, 672389), (509, 305151), (1321, 117579), (1527, 101717), (3563, 43593), (3963, 39193), (5599, 27741), (9247, 16797), (10689, 14531)]