1900839945

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{189989}}^1$

素因数の和:190049

約数の個数: 32

約数和(自身を含む): 3283027200

約数和(自身を除く): 1382187255

約数列:

[1, 3, 5, 15, 23, 29, 69, 87, 115, 145, 345, 435, 667, 2001, 3335, 10005, 189989, 569967, 949945, 2849835, 4369747, 5509681, 13109241, 16529043, 21848735, 27548405, 65546205, 82645215, 126722663, 380167989, 633613315, 1900839945]

約数ペア:

[(1, 1900839945), (3, 633613315), (5, 380167989), (15, 126722663), (23, 82645215), (29, 65546205), (69, 27548405), (87, 21848735), (115, 16529043), (145, 13109241), (345, 5509681), (435, 4369747), (667, 2849835), (2001, 949945), (3335, 569967), (10005, 189989)]