81047025

素因数分解:

$3^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{12421}}^1$

素因数の和:12466

約数の個数: 36

約数和(自身を含む): 150181980

約数和(自身を除く): 69134955

約数列:

[1, 3, 5, 9, 15, 25, 29, 45, 75, 87, 145, 225, 261, 435, 725, 1305, 2175, 6525, 12421, 37263, 62105, 111789, 186315, 310525, 360209, 558945, 931575, 1080627, 1801045, 2794725, 3241881, 5403135, 9005225, 16209405, 27015675, 81047025]

約数ペア:

[(1, 81047025), (3, 27015675), (5, 16209405), (9, 9005225), (15, 5403135), (25, 3241881), (29, 2794725), (45, 1801045), (75, 1080627), (87, 931575), (145, 558945), (225, 360209), (261, 310525), (435, 186315), (725, 111789), (1305, 62105), (2175, 37263), (6525, 12421)]