81302025

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{22123}}^1$

素因数の和:22150

約数の個数: 36

約数和(自身を含む): 156372432

約数和(自身を除く): 75070407

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 49, 75, 105, 147, 175, 245, 525, 735, 1225, 3675, 22123, 66369, 110615, 154861, 331845, 464583, 553075, 774305, 1084027, 1659225, 2322915, 3252081, 3871525, 5420135, 11614575, 16260405, 27100675, 81302025]

約数ペア:

[(1, 81302025), (3, 27100675), (5, 16260405), (7, 11614575), (15, 5420135), (21, 3871525), (25, 3252081), (35, 2322915), (49, 1659225), (75, 1084027), (105, 774305), (147, 553075), (175, 464583), (245, 331845), (525, 154861), (735, 110615), (1225, 66369), (3675, 22123)]