217182693

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{3301}}^1$

素因数の和:3565

約数の個数: 32

約数和(自身を含む): 357989632

約数和(自身を除く): 140806939

約数列:

[1, 3, 7, 13, 21, 39, 91, 241, 273, 723, 1687, 3133, 3301, 5061, 9399, 9903, 21931, 23107, 42913, 65793, 69321, 128739, 300391, 795541, 901173, 2386623, 5568787, 10342033, 16706361, 31026099, 72394231, 217182693]

約数ペア:

[(1, 217182693), (3, 72394231), (7, 31026099), (13, 16706361), (21, 10342033), (39, 5568787), (91, 2386623), (241, 901173), (273, 795541), (723, 300391), (1687, 128739), (3133, 69321), (3301, 65793), (5061, 42913), (9399, 23107), (9903, 21931)]