128172525

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{2797}}^1$

素因数の和:2870

約数の個数: 48

約数和(自身を含む): 233151744

約数和(自身を除く): 104979219

約数列:

[1, 3, 5, 13, 15, 25, 39, 47, 65, 75, 141, 195, 235, 325, 611, 705, 975, 1175, 1833, 2797, 3055, 3525, 8391, 9165, 13985, 15275, 36361, 41955, 45825, 69925, 109083, 131459, 181805, 209775, 394377, 545415, 657295, 909025, 1708967, 1971885, 2727075, 3286475, 5126901, 8544835, 9859425, 25634505, 42724175, 128172525]

約数ペア:

[(1, 128172525), (3, 42724175), (5, 25634505), (13, 9859425), (15, 8544835), (25, 5126901), (39, 3286475), (47, 2727075), (65, 1971885), (75, 1708967), (141, 909025), (195, 657295), (235, 545415), (325, 394377), (611, 209775), (705, 181805), (975, 131459), (1175, 109083), (1833, 69925), (2797, 45825), (3055, 41955), (3525, 36361), (8391, 15275), (9165, 13985)]