18017025

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1087}}^1$

素因数の和:1130

約数の個数: 48

約数和(自身を含む): 33997824

約数和(自身を除く): 15980799

約数列:

[1, 3, 5, 13, 15, 17, 25, 39, 51, 65, 75, 85, 195, 221, 255, 325, 425, 663, 975, 1087, 1105, 1275, 3261, 3315, 5435, 5525, 14131, 16305, 16575, 18479, 27175, 42393, 55437, 70655, 81525, 92395, 211965, 240227, 277185, 353275, 461975, 720681, 1059825, 1201135, 1385925, 3603405, 6005675, 18017025]

約数ペア:

[(1, 18017025), (3, 6005675), (5, 3603405), (13, 1385925), (15, 1201135), (17, 1059825), (25, 720681), (39, 461975), (51, 353275), (65, 277185), (75, 240227), (85, 211965), (195, 92395), (221, 81525), (255, 70655), (325, 55437), (425, 42393), (663, 27175), (975, 18479), (1087, 16575), (1105, 16305), (1275, 14131), (3261, 5525), (3315, 5435)]