204931515

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{17099}}^1$

素因数の和:17171

約数の個数: 32

約数和(自身を含む): 354585600

約数和(自身を除く): 149654085

約数列:

[1, 3, 5, 15, 17, 47, 51, 85, 141, 235, 255, 705, 799, 2397, 3995, 11985, 17099, 51297, 85495, 256485, 290683, 803653, 872049, 1453415, 2410959, 4018265, 4360245, 12054795, 13662101, 40986303, 68310505, 204931515]

約数ペア:

[(1, 204931515), (3, 68310505), (5, 40986303), (15, 13662101), (17, 12054795), (47, 4360245), (51, 4018265), (85, 2410959), (141, 1453415), (235, 872049), (255, 803653), (705, 290683), (799, 256485), (2397, 85495), (3995, 51297), (11985, 17099)]