1215199187925

素因数分解:

$3^1\times 5^2\times {\mathrm{431}}^1\times {\mathrm{2543}}^1\times {\mathrm{14783}}^1$

素因数の和:17770

約数の個数: 48

約数和(自身を含む): 2014719049728

約数和(自身を除く): 799519861803

約数列:

[1, 3, 5, 15, 25, 75, 431, 1293, 2155, 2543, 6465, 7629, 10775, 12715, 14783, 32325, 38145, 44349, 63575, 73915, 190725, 221745, 369575, 1096033, 1108725, 3288099, 5480165, 6371473, 16440495, 19114419, 27400825, 31857365, 37593169, 82202475, 95572095, 112779507, 159286825, 187965845, 477860475, 563897535, 939829225, 2819487675, 16202655839, 48607967517, 81013279195, 243039837585, 405066395975, 1215199187925]

約数ペア:

[(1, 1215199187925), (3, 405066395975), (5, 243039837585), (15, 81013279195), (25, 48607967517), (75, 16202655839), (431, 2819487675), (1293, 939829225), (2155, 563897535), (2543, 477860475), (6465, 187965845), (7629, 159286825), (10775, 112779507), (12715, 95572095), (14783, 82202475), (32325, 37593169), (38145, 31857365), (44349, 27400825), (63575, 19114419), (73915, 16440495), (190725, 6371473), (221745, 5480165), (369575, 3288099), (1096033, 1108725)]