401049891

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{2111}}^1$

素因数の和:2248

約数の個数: 48

約数和(自身を含む): 672122880

約数和(自身を除く): 271072989

約数列:

[1, 3, 9, 11, 19, 33, 57, 99, 101, 171, 209, 303, 627, 909, 1111, 1881, 1919, 2111, 3333, 5757, 6333, 9999, 17271, 18999, 21109, 23221, 40109, 63327, 69663, 120327, 189981, 208989, 213211, 360981, 441199, 639633, 1323597, 1918899, 2345321, 3970791, 4051009, 7035963, 12153027, 21107889, 36459081, 44561099, 133683297, 401049891]

約数ペア:

[(1, 401049891), (3, 133683297), (9, 44561099), (11, 36459081), (19, 21107889), (33, 12153027), (57, 7035963), (99, 4051009), (101, 3970791), (171, 2345321), (209, 1918899), (303, 1323597), (627, 639633), (909, 441199), (1111, 360981), (1881, 213211), (1919, 208989), (2111, 189981), (3333, 120327), (5757, 69663), (6333, 63327), (9999, 40109), (17271, 23221), (18999, 21109)]