16660125

素因数分解:

$3^2\times 5^3\times {\mathrm{59}}^1\times {\mathrm{251}}^1$

素因数の和:331

約数の個数: 48

約数和(自身を含む): 30663360

約数和(自身を除く): 14003235

約数列:

[1, 3, 5, 9, 15, 25, 45, 59, 75, 125, 177, 225, 251, 295, 375, 531, 753, 885, 1125, 1255, 1475, 2259, 2655, 3765, 4425, 6275, 7375, 11295, 13275, 14809, 18825, 22125, 31375, 44427, 56475, 66375, 74045, 94125, 133281, 222135, 282375, 370225, 666405, 1110675, 1851125, 3332025, 5553375, 16660125]

約数ペア:

[(1, 16660125), (3, 5553375), (5, 3332025), (9, 1851125), (15, 1110675), (25, 666405), (45, 370225), (59, 282375), (75, 222135), (125, 133281), (177, 94125), (225, 74045), (251, 66375), (295, 56475), (375, 44427), (531, 31375), (753, 22125), (885, 18825), (1125, 14809), (1255, 13275), (1475, 11295), (2259, 7375), (2655, 6275), (3765, 4425)]