201428775

素因数分解:

$3^5\times 5^2\times {\mathrm{71}}^1\times {\mathrm{467}}^1$

素因数の和:563

約数の個数: 72

約数和(自身を含む): 380225664

約数和(自身を除く): 178796889

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 71, 75, 81, 135, 213, 225, 243, 355, 405, 467, 639, 675, 1065, 1215, 1401, 1775, 1917, 2025, 2335, 3195, 4203, 5325, 5751, 6075, 7005, 9585, 11675, 12609, 15975, 17253, 21015, 28755, 33157, 35025, 37827, 47925, 63045, 86265, 99471, 105075, 113481, 143775, 165785, 189135, 298413, 315225, 431325, 497355, 567405, 828925, 895239, 945675, 1492065, 2486775, 2685717, 2837025, 4476195, 7460325, 8057151, 13428585, 22380975, 40285755, 67142925, 201428775]

約数ペア:

[(1, 201428775), (3, 67142925), (5, 40285755), (9, 22380975), (15, 13428585), (25, 8057151), (27, 7460325), (45, 4476195), (71, 2837025), (75, 2685717), (81, 2486775), (135, 1492065), (213, 945675), (225, 895239), (243, 828925), (355, 567405), (405, 497355), (467, 431325), (639, 315225), (675, 298413), (1065, 189135), (1215, 165785), (1401, 143775), (1775, 113481), (1917, 105075), (2025, 99471), (2335, 86265), (3195, 63045), (4203, 47925), (5325, 37827), (5751, 35025), (6075, 33157), (7005, 28755), (9585, 21015), (11675, 17253), (12609, 15975)]