31315479

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{317}}^1$

素因数の和:499

約数の個数: 32

約数和(自身を含む): 48081600

約数和(自身を除く): 16766121

約数列:

[1, 3, 13, 17, 39, 51, 149, 221, 317, 447, 663, 951, 1937, 2533, 4121, 5389, 5811, 7599, 12363, 16167, 32929, 47233, 70057, 98787, 141699, 210171, 614029, 802961, 1842087, 2408883, 10438493, 31315479]

約数ペア:

[(1, 31315479), (3, 10438493), (13, 2408883), (17, 1842087), (39, 802961), (51, 614029), (149, 210171), (221, 141699), (317, 98787), (447, 70057), (663, 47233), (951, 32929), (1937, 16167), (2533, 12363), (4121, 7599), (5389, 5811)]