78847875

素因数分解:

$3^2\times 5^3\times {\mathrm{109}}^1\times {\mathrm{643}}^1$

素因数の和:773

約数の個数: 48

約数和(自身を含む): 143663520

約数和(自身を除く): 64815645

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 109, 125, 225, 327, 375, 545, 643, 981, 1125, 1635, 1929, 2725, 3215, 4905, 5787, 8175, 9645, 13625, 16075, 24525, 28935, 40875, 48225, 70087, 80375, 122625, 144675, 210261, 241125, 350435, 630783, 723375, 1051305, 1752175, 3153915, 5256525, 8760875, 15769575, 26282625, 78847875]

約数ペア:

[(1, 78847875), (3, 26282625), (5, 15769575), (9, 8760875), (15, 5256525), (25, 3153915), (45, 1752175), (75, 1051305), (109, 723375), (125, 630783), (225, 350435), (327, 241125), (375, 210261), (545, 144675), (643, 122625), (981, 80375), (1125, 70087), (1635, 48225), (1929, 40875), (2725, 28935), (3215, 24525), (4905, 16075), (5787, 13625), (8175, 9645)]