28642575

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1013}}^1$

素因数の和:1068

約数の個数: 48

約数和(自身を含む): 52809120

約数和(自身を除く): 24166545

約数列:

[1, 3, 5, 13, 15, 25, 29, 39, 65, 75, 87, 145, 195, 325, 377, 435, 725, 975, 1013, 1131, 1885, 2175, 3039, 5065, 5655, 9425, 13169, 15195, 25325, 28275, 29377, 39507, 65845, 75975, 88131, 146885, 197535, 329225, 381901, 440655, 734425, 987675, 1145703, 1909505, 2203275, 5728515, 9547525, 28642575]

約数ペア:

[(1, 28642575), (3, 9547525), (5, 5728515), (13, 2203275), (15, 1909505), (25, 1145703), (29, 987675), (39, 734425), (65, 440655), (75, 381901), (87, 329225), (145, 197535), (195, 146885), (325, 88131), (377, 75975), (435, 65845), (725, 39507), (975, 29377), (1013, 28275), (1131, 25325), (1885, 15195), (2175, 13169), (3039, 9425), (5065, 5655)]