66557907

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{307}}^1$

素因数の和:452

約数の個数: 48

約数和(自身を含む): 110990880

約数和(自身を除く): 44432973

約数列:

[1, 3, 9, 13, 17, 39, 51, 109, 117, 153, 221, 307, 327, 663, 921, 981, 1417, 1853, 1989, 2763, 3991, 4251, 5219, 5559, 11973, 12753, 15657, 16677, 24089, 33463, 35919, 46971, 67847, 72267, 100389, 203541, 216801, 301167, 435019, 568871, 610623, 1305057, 1706613, 3915171, 5119839, 7395323, 22185969, 66557907]

約数ペア:

[(1, 66557907), (3, 22185969), (9, 7395323), (13, 5119839), (17, 3915171), (39, 1706613), (51, 1305057), (109, 610623), (117, 568871), (153, 435019), (221, 301167), (307, 216801), (327, 203541), (663, 100389), (921, 72267), (981, 67847), (1417, 46971), (1853, 35919), (1989, 33463), (2763, 24089), (3991, 16677), (4251, 15657), (5219, 12753), (5559, 11973)]