644572131

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{281}}^1\times {\mathrm{5749}}^1$

素因数の和:6059

約数の個数: 32

約数和(自身を含む): 1037760000

約数和(自身を除く): 393187869

約数列:

[1, 3, 7, 19, 21, 57, 133, 281, 399, 843, 1967, 5339, 5749, 5901, 16017, 17247, 37373, 40243, 109231, 112119, 120729, 327693, 764617, 1615469, 2293851, 4846407, 11308283, 30693911, 33924849, 92081733, 214857377, 644572131]

約数ペア:

[(1, 644572131), (3, 214857377), (7, 92081733), (19, 33924849), (21, 30693911), (57, 11308283), (133, 4846407), (281, 2293851), (399, 1615469), (843, 764617), (1967, 327693), (5339, 120729), (5749, 112119), (5901, 109231), (16017, 40243), (17247, 37373)]