393045465

素因数分解:

$3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{193}}^1\times {\mathrm{991}}^1$

素因数の和:1329

約数の個数: 32

約数和(自身を含む): 637387776

約数和(自身を除く): 244342311

約数列:

[1, 3, 5, 15, 137, 193, 411, 579, 685, 965, 991, 2055, 2895, 2973, 4955, 14865, 26441, 79323, 132205, 135767, 191263, 396615, 407301, 573789, 678835, 956315, 2036505, 2868945, 26203031, 78609093, 131015155, 393045465]

約数ペア:

[(1, 393045465), (3, 131015155), (5, 78609093), (15, 26203031), (137, 2868945), (193, 2036505), (411, 956315), (579, 678835), (685, 573789), (965, 407301), (991, 396615), (2055, 191263), (2895, 135767), (2973, 132205), (4955, 79323), (14865, 26441)]