331888319

素因数分解:

$7^2\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{2351}}^1$

素因数の和:2475

約数の個数: 24

約数和(自身を含む): 401119488

約数和(自身を除く): 69231169

約数列:

[1, 7, 43, 49, 67, 301, 469, 2107, 2351, 2881, 3283, 16457, 20167, 101093, 115199, 141169, 157517, 707651, 1102619, 4953557, 6773231, 7718333, 47412617, 331888319]

約数ペア:

[(1, 331888319), (7, 47412617), (43, 7718333), (49, 6773231), (67, 4953557), (301, 1102619), (469, 707651), (2107, 157517), (2351, 141169), (2881, 115199), (3283, 101093), (16457, 20167)]