268217925

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{997}}^1$

素因数の和:1238

約数の個数: 48

約数和(自身を含む): 472237632

約数和(自身を除く): 204019707

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 211, 255, 425, 633, 997, 1055, 1275, 2991, 3165, 3587, 4985, 5275, 10761, 14955, 15825, 16949, 17935, 24925, 50847, 53805, 74775, 84745, 89675, 210367, 254235, 269025, 423725, 631101, 1051835, 1271175, 3155505, 3576239, 5259175, 10728717, 15777525, 17881195, 53643585, 89405975, 268217925]

約数ペア:

[(1, 268217925), (3, 89405975), (5, 53643585), (15, 17881195), (17, 15777525), (25, 10728717), (51, 5259175), (75, 3576239), (85, 3155505), (211, 1271175), (255, 1051835), (425, 631101), (633, 423725), (997, 269025), (1055, 254235), (1275, 210367), (2991, 89675), (3165, 84745), (3587, 74775), (4985, 53805), (5275, 50847), (10761, 24925), (14955, 17935), (15825, 16949)]