201831225

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{311}}^1\times {\mathrm{509}}^1$

素因数の和:850

約数の個数: 48

約数和(自身を含む): 355155840

約数和(自身を除く): 153324615

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 311, 425, 509, 933, 1275, 1527, 1555, 2545, 4665, 5287, 7635, 7775, 8653, 12725, 15861, 23325, 25959, 26435, 38175, 43265, 79305, 129795, 132175, 158299, 216325, 396525, 474897, 648975, 791495, 2374485, 2691083, 3957475, 8073249, 11872425, 13455415, 40366245, 67277075, 201831225]

約数ペア:

[(1, 201831225), (3, 67277075), (5, 40366245), (15, 13455415), (17, 11872425), (25, 8073249), (51, 3957475), (75, 2691083), (85, 2374485), (255, 791495), (311, 648975), (425, 474897), (509, 396525), (933, 216325), (1275, 158299), (1527, 132175), (1555, 129795), (2545, 79305), (4665, 43265), (5287, 38175), (7635, 26435), (7775, 25959), (8653, 23325), (12725, 15861)]