208553025

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{8609}}^1$

素因数の和:8658

約数の個数: 48

約数和(自身を含む): 384350400

約数和(自身を除く): 175797375

約数列:

[1, 3, 5, 15, 17, 19, 25, 51, 57, 75, 85, 95, 255, 285, 323, 425, 475, 969, 1275, 1425, 1615, 4845, 8075, 8609, 24225, 25827, 43045, 129135, 146353, 163571, 215225, 439059, 490713, 645675, 731765, 817855, 2195295, 2453565, 2780707, 3658825, 4089275, 8342121, 10976475, 12267825, 13903535, 41710605, 69517675, 208553025]

約数ペア:

[(1, 208553025), (3, 69517675), (5, 41710605), (15, 13903535), (17, 12267825), (19, 10976475), (25, 8342121), (51, 4089275), (57, 3658825), (75, 2780707), (85, 2453565), (95, 2195295), (255, 817855), (285, 731765), (323, 645675), (425, 490713), (475, 439059), (969, 215225), (1275, 163571), (1425, 146353), (1615, 129135), (4845, 43045), (8075, 25827), (8609, 24225)]