66218649

素因数分解:

$3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{10987}}^1$

素因数の和:11045

約数の個数: 24

約数和(自身を含む): 105221088

約数和(自身を除く): 39002439

約数列:

[1, 3, 7, 21, 41, 49, 123, 147, 287, 861, 2009, 6027, 10987, 32961, 76909, 230727, 450467, 538363, 1351401, 1615089, 3153269, 9459807, 22072883, 66218649]

約数ペア:

[(1, 66218649), (3, 22072883), (7, 9459807), (21, 3153269), (41, 1615089), (49, 1351401), (123, 538363), (147, 450467), (287, 230727), (861, 76909), (2009, 32961), (6027, 10987)]