42980987

素因数分解:

$7^3\times {\mathrm{29}}^2\times {\mathrm{149}}^1$

素因数の和:228

約数の個数: 24

約数和(自身を含む): 52260000

約数和(自身を除く): 9279013

約数列:

[1, 7, 29, 49, 149, 203, 343, 841, 1043, 1421, 4321, 5887, 7301, 9947, 30247, 41209, 51107, 125309, 211729, 288463, 877163, 1482103, 6140141, 42980987]

約数ペア:

[(1, 42980987), (7, 6140141), (29, 1482103), (49, 877163), (149, 288463), (203, 211729), (343, 125309), (841, 51107), (1043, 41209), (1421, 30247), (4321, 9947), (5887, 7301)]