321345

素因数分解:

$3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{193}}^1$

素因数の和:241

約数の個数: 24

約数和(自身を含む): 575016

約数和(自身を除く): 253671

約数列:

[1, 3, 5, 9, 15, 37, 45, 111, 185, 193, 333, 555, 579, 965, 1665, 1737, 2895, 7141, 8685, 21423, 35705, 64269, 107115, 321345]

約数ペア:

[(1, 321345), (3, 107115), (5, 64269), (9, 35705), (15, 21423), (37, 8685), (45, 7141), (111, 2895), (185, 1737), (193, 1665), (333, 965), (555, 579)]