200991255

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{503}}^1\times {\mathrm{1567}}^1$

素因数の和:2095

約数の個数: 32

約数和(自身を含む): 341397504

約数和(自身を除く): 140406249

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 503, 1509, 1567, 2515, 4701, 7545, 7835, 8551, 23505, 25653, 26639, 42755, 79917, 128265, 133195, 399585, 788201, 2364603, 3941005, 11823015, 13399417, 40198251, 66997085, 200991255]

約数ペア:

[(1, 200991255), (3, 66997085), (5, 40198251), (15, 13399417), (17, 11823015), (51, 3941005), (85, 2364603), (255, 788201), (503, 399585), (1509, 133195), (1567, 128265), (2515, 79917), (4701, 42755), (7545, 26639), (7835, 25653), (8551, 23505)]