2021393925

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{528469}}^1$

素因数の和:528502

約数の個数: 36

約数和(自身を含む): 3833521380

約数和(自身を除く): 1812127455

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 153, 225, 255, 425, 765, 1275, 3825, 528469, 1585407, 2642345, 4756221, 7927035, 8983973, 13211725, 23781105, 26951919, 39635175, 44919865, 80855757, 118905525, 134759595, 224599325, 404278785, 673797975, 2021393925]

約数ペア:

[(1, 2021393925), (3, 673797975), (5, 404278785), (9, 224599325), (15, 134759595), (17, 118905525), (25, 80855757), (45, 44919865), (51, 39635175), (75, 26951919), (85, 23781105), (153, 13211725), (225, 8983973), (255, 7927035), (425, 4756221), (765, 2642345), (1275, 1585407), (3825, 528469)]