15557025

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{173}}^1$

素因数の和:306

約数の個数: 48

約数和(自身を含む): 28480320

約数和(自身を除く): 12923295

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 109, 165, 173, 275, 327, 519, 545, 825, 865, 1199, 1635, 1903, 2595, 2725, 3597, 4325, 5709, 5995, 8175, 9515, 12975, 17985, 18857, 28545, 29975, 47575, 56571, 89925, 94285, 142725, 207427, 282855, 471425, 622281, 1037135, 1414275, 3111405, 5185675, 15557025]

約数ペア:

[(1, 15557025), (3, 5185675), (5, 3111405), (11, 1414275), (15, 1037135), (25, 622281), (33, 471425), (55, 282855), (75, 207427), (109, 142725), (165, 94285), (173, 89925), (275, 56571), (327, 47575), (519, 29975), (545, 28545), (825, 18857), (865, 17985), (1199, 12975), (1635, 9515), (1903, 8175), (2595, 5995), (2725, 5709), (3597, 4325)]