1951670721

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{649907}}^1$

素因数の和:649941

約数の個数: 32

約数和(自身を含む): 3493905408

約数和(自身を除く): 1542234687

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 77, 91, 143, 231, 273, 429, 1001, 3003, 649907, 1949721, 4549349, 7148977, 8448791, 13648047, 21446931, 25346373, 50042839, 59141537, 92936701, 150128517, 177424611, 278810103, 650556907, 1951670721]

約数ペア:

[(1, 1951670721), (3, 650556907), (7, 278810103), (11, 177424611), (13, 150128517), (21, 92936701), (33, 59141537), (39, 50042839), (77, 25346373), (91, 21446931), (143, 13648047), (231, 8448791), (273, 7148977), (429, 4549349), (1001, 1949721), (3003, 649907)]