30991935

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{9349}}^1$

素因数の和:9387

約数の個数: 32

約数和(自身を含む): 56548800

約数和(自身を除く): 25556865

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 221, 255, 663, 1105, 3315, 9349, 28047, 46745, 121537, 140235, 158933, 364611, 476799, 607685, 794665, 1823055, 2066129, 2383995, 6198387, 10330645, 30991935]

約数ペア:

[(1, 30991935), (3, 10330645), (5, 6198387), (13, 2383995), (15, 2066129), (17, 1823055), (39, 794665), (51, 607685), (65, 476799), (85, 364611), (195, 158933), (221, 140235), (255, 121537), (663, 46745), (1105, 28047), (3315, 9349)]