81594675

素因数分解:

$3^3\times 5^2\times {\mathrm{109}}^1\times {\mathrm{1109}}^1$

素因数の和:1237

約数の個数: 48

約数和(自身を含む): 151404000

約数和(自身を除く): 69809325

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 109, 135, 225, 327, 545, 675, 981, 1109, 1635, 2725, 2943, 3327, 4905, 5545, 8175, 9981, 14715, 16635, 24525, 27725, 29943, 49905, 73575, 83175, 120881, 149715, 249525, 362643, 604405, 748575, 1087929, 1813215, 3022025, 3263787, 5439645, 9066075, 16318935, 27198225, 81594675]

約数ペア:

[(1, 81594675), (3, 27198225), (5, 16318935), (9, 9066075), (15, 5439645), (25, 3263787), (27, 3022025), (45, 1813215), (75, 1087929), (109, 748575), (135, 604405), (225, 362643), (327, 249525), (545, 149715), (675, 120881), (981, 83175), (1109, 73575), (1635, 49905), (2725, 29943), (2943, 27725), (3327, 24525), (4905, 16635), (5545, 14715), (8175, 9981)]