216543681

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{349}}^1\times {\mathrm{971}}^1$

素因数の和:1397

約数の個数: 24

約数和(自身を含む): 318427200

約数和(自身を除く): 101883519

約数列:

[1, 3, 9, 71, 213, 349, 639, 971, 1047, 2913, 3141, 8739, 24779, 68941, 74337, 206823, 223011, 338879, 620469, 1016637, 3049911, 24060409, 72181227, 216543681]

約数ペア:

[(1, 216543681), (3, 72181227), (9, 24060409), (71, 3049911), (213, 1016637), (349, 620469), (639, 338879), (971, 223011), (1047, 206823), (2913, 74337), (3141, 68941), (8739, 24779)]