684345

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1061}}^1$

素因数の和:1112

約数の個数: 16

約数和(自身を含む): 1121472

約数和(自身を除く): 437127

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 1061, 3183, 5305, 15915, 45623, 136869, 228115, 684345]

約数ペア:

[(1, 684345), (3, 228115), (5, 136869), (15, 45623), (43, 15915), (129, 5305), (215, 3183), (645, 1061)]