2021042025

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^2\times {\mathrm{31081}}^1$

素因数の和:31131

約数の個数: 54

約数和(自身を含む): 3845496122

約数和(自身を除く): 1824454097

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 153, 225, 255, 289, 425, 765, 867, 1275, 1445, 2601, 3825, 4335, 7225, 13005, 21675, 31081, 65025, 93243, 155405, 279729, 466215, 528377, 777025, 1398645, 1585131, 2331075, 2641885, 4755393, 6993225, 7925655, 8982409, 13209425, 23776965, 26947227, 39628275, 44912045, 80841681, 118884825, 134736135, 224560225, 404208405, 673680675, 2021042025]

約数ペア:

[(1, 2021042025), (3, 673680675), (5, 404208405), (9, 224560225), (15, 134736135), (17, 118884825), (25, 80841681), (45, 44912045), (51, 39628275), (75, 26947227), (85, 23776965), (153, 13209425), (225, 8982409), (255, 7925655), (289, 6993225), (425, 4755393), (765, 2641885), (867, 2331075), (1275, 1585131), (1445, 1398645), (2601, 777025), (3825, 528377), (4335, 466215), (7225, 279729), (13005, 155405), (21675, 93243), (31081, 65025)]