393438519

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{349}}^1\times {\mathrm{971}}^1$

素因数の和:1372

約数の個数: 32

約数和(自身を含む): 598752000

約数和(自身を除く): 205313481

約数列:

[1, 3, 9, 27, 43, 129, 349, 387, 971, 1047, 1161, 2913, 3141, 8739, 9423, 15007, 26217, 41753, 45021, 125259, 135063, 338879, 375777, 405189, 1016637, 1127331, 3049911, 9149733, 14571797, 43715391, 131146173, 393438519]

約数ペア:

[(1, 393438519), (3, 131146173), (9, 43715391), (27, 14571797), (43, 9149733), (129, 3049911), (349, 1127331), (387, 1016637), (971, 405189), (1047, 375777), (1161, 338879), (2913, 135063), (3141, 125259), (8739, 45021), (9423, 41753), (15007, 26217)]