291138345

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{431}}^1\times {\mathrm{883}}^1$

素因数の和:1342

約数の個数: 48

約数和(自身を含む): 536170752

約数和(自身を除く): 245032407

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 431, 765, 883, 1293, 2155, 2649, 3879, 4415, 6465, 7327, 7947, 13245, 15011, 19395, 21981, 36635, 39735, 45033, 65943, 75055, 109905, 135099, 225165, 329715, 380573, 675495, 1141719, 1902865, 3425157, 5708595, 6469741, 17125785, 19409223, 32348705, 58227669, 97046115, 291138345]

約数ペア:

[(1, 291138345), (3, 97046115), (5, 58227669), (9, 32348705), (15, 19409223), (17, 17125785), (45, 6469741), (51, 5708595), (85, 3425157), (153, 1902865), (255, 1141719), (431, 675495), (765, 380573), (883, 329715), (1293, 225165), (2155, 135099), (2649, 109905), (3879, 75055), (4415, 65943), (6465, 45033), (7327, 39735), (7947, 36635), (13245, 21981), (15011, 19395)]