257363595

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{883}}^1$

素因数の和:1041

約数の個数: 64

約数和(自身を含む): 488816640

約数和(自身を除く): 231453045

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 127, 135, 153, 255, 381, 459, 635, 765, 883, 1143, 1905, 2159, 2295, 2649, 3429, 4415, 5715, 6477, 7947, 10795, 13245, 15011, 17145, 19431, 23841, 32385, 39735, 45033, 58293, 75055, 97155, 112141, 119205, 135099, 225165, 291465, 336423, 405297, 560705, 675495, 1009269, 1682115, 1906397, 2026485, 3027807, 5046345, 5719191, 9531985, 15139035, 17157573, 28595955, 51472719, 85787865, 257363595]

約数ペア:

[(1, 257363595), (3, 85787865), (5, 51472719), (9, 28595955), (15, 17157573), (17, 15139035), (27, 9531985), (45, 5719191), (51, 5046345), (85, 3027807), (127, 2026485), (135, 1906397), (153, 1682115), (255, 1009269), (381, 675495), (459, 560705), (635, 405297), (765, 336423), (883, 291465), (1143, 225165), (1905, 135099), (2159, 119205), (2295, 112141), (2649, 97155), (3429, 75055), (4415, 58293), (5715, 45033), (6477, 39735), (7947, 32385), (10795, 23841), (13245, 19431), (15011, 17145)]