2103209535

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{157721}}^1$

素因数の和:157863

約数の個数: 32

約数和(自身を含む): 3876175872

約数和(自身を除く): 1772966337

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 127, 381, 635, 889, 1905, 2667, 4445, 13335, 157721, 473163, 788605, 1104047, 2365815, 3312141, 5520235, 16560705, 20030567, 60091701, 100152835, 140213969, 300458505, 420641907, 701069845, 2103209535]

約数ペア:

[(1, 2103209535), (3, 701069845), (5, 420641907), (7, 300458505), (15, 140213969), (21, 100152835), (35, 60091701), (105, 20030567), (127, 16560705), (381, 5520235), (635, 3312141), (889, 2365815), (1905, 1104047), (2667, 788605), (4445, 473163), (13335, 157721)]