420046977

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{349}}^1\times {\mathrm{1549}}^1$

素因数の和:1945

約数の個数: 32

約数和(自身を含む): 659680000

約数和(自身を除く): 239633023

約数列:

[1, 3, 7, 21, 37, 111, 259, 349, 777, 1047, 1549, 2443, 4647, 7329, 10843, 12913, 32529, 38739, 57313, 90391, 171939, 271173, 401191, 540601, 1203573, 1621803, 3784207, 11352621, 20002237, 60006711, 140015659, 420046977]

約数ペア:

[(1, 420046977), (3, 140015659), (7, 60006711), (21, 20002237), (37, 11352621), (111, 3784207), (259, 1621803), (349, 1203573), (777, 540601), (1047, 401191), (1549, 271173), (2443, 171939), (4647, 90391), (7329, 57313), (10843, 38739), (12913, 32529)]