1899408021

素因数分解:

$3^1\times 7^2\times {\mathrm{2039}}^1\times {\mathrm{6337}}^1$

素因数の和:8393

約数の個数: 24

約数和(自身を含む): 2947930560

約数和(自身を除く): 1048522539

約数列:

[1, 3, 7, 21, 49, 147, 2039, 6117, 6337, 14273, 19011, 42819, 44359, 99911, 133077, 299733, 310513, 931539, 12921143, 38763429, 90448001, 271344003, 633136007, 1899408021]

約数ペア:

[(1, 1899408021), (3, 633136007), (7, 271344003), (21, 90448001), (49, 38763429), (147, 12921143), (2039, 931539), (6117, 310513), (6337, 299733), (14273, 133077), (19011, 99911), (42819, 44359)]