31878693

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{293}}^1$

素因数の和:474

約数の個数: 48

約数和(自身を含む): 57972096

約数和(自身を除く): 26093403

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 157, 231, 293, 471, 693, 879, 1099, 1413, 1727, 2051, 2637, 3223, 3297, 5181, 6153, 9669, 9891, 12089, 15543, 18459, 22561, 29007, 36267, 46001, 67683, 108801, 138003, 203049, 322007, 414009, 506011, 966021, 1518033, 2898063, 3542077, 4554099, 10626231, 31878693]

約数ペア:

[(1, 31878693), (3, 10626231), (7, 4554099), (9, 3542077), (11, 2898063), (21, 1518033), (33, 966021), (63, 506011), (77, 414009), (99, 322007), (157, 203049), (231, 138003), (293, 108801), (471, 67683), (693, 46001), (879, 36267), (1099, 29007), (1413, 22561), (1727, 18459), (2051, 15543), (2637, 12089), (3223, 9891), (3297, 9669), (5181, 6153)]