217576317

素因数分解:

$3^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{367}}^1$

素因数の和:530

約数の個数: 48

約数和(自身を含む): 350718720

約数和(自身を除く): 133142403

約数列:

[1, 3, 7, 21, 37, 49, 109, 111, 147, 259, 327, 367, 763, 777, 1101, 1813, 2289, 2569, 4033, 5341, 5439, 7707, 12099, 13579, 16023, 17983, 28231, 40003, 40737, 53949, 84693, 95053, 120009, 197617, 280021, 285159, 592851, 665371, 840063, 1480111, 1960147, 1996113, 4440333, 5880441, 10360777, 31082331, 72525439, 217576317]

約数ペア:

[(1, 217576317), (3, 72525439), (7, 31082331), (21, 10360777), (37, 5880441), (49, 4440333), (109, 1996113), (111, 1960147), (147, 1480111), (259, 840063), (327, 665371), (367, 592851), (763, 285159), (777, 280021), (1101, 197617), (1813, 120009), (2289, 95053), (2569, 84693), (4033, 53949), (5341, 40737), (5439, 40003), (7707, 28231), (12099, 17983), (13579, 16023)]