87819387

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{131}}^1\times {\mathrm{619}}^1$

素因数の和:791

約数の個数: 24

約数和(自身を含む): 124724160

約数和(自身を除く): 36904773

約数列:

[1, 3, 19, 57, 131, 361, 393, 619, 1083, 1857, 2489, 7467, 11761, 35283, 47291, 81089, 141873, 223459, 243267, 670377, 1540691, 4622073, 29273129, 87819387]

約数ペア:

[(1, 87819387), (3, 29273129), (19, 4622073), (57, 1540691), (131, 670377), (361, 243267), (393, 223459), (619, 141873), (1083, 81089), (1857, 47291), (2489, 35283), (7467, 11761)]