268885005

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{4201}}^1$

素因数の和:4477

約数の個数: 32

約数和(自身を含む): 457446528

約数和(自身を除く): 188561523

約数列:

[1, 3, 5, 15, 17, 51, 85, 251, 255, 753, 1255, 3765, 4201, 4267, 12603, 12801, 21005, 21335, 63015, 64005, 71417, 214251, 357085, 1054451, 1071255, 3163353, 5272255, 15816765, 17925667, 53777001, 89628335, 268885005]

約数ペア:

[(1, 268885005), (3, 89628335), (5, 53777001), (15, 17925667), (17, 15816765), (51, 5272255), (85, 3163353), (251, 1071255), (255, 1054451), (753, 357085), (1255, 214251), (3765, 71417), (4201, 64005), (4267, 63015), (12603, 21335), (12801, 21005)]