51765255

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{431}}^1$

素因数の和:616

約数の個数: 48

約数和(自身を含む): 95831424

約数和(自身を除く): 44066169

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 157, 255, 431, 471, 765, 785, 1293, 1413, 2155, 2355, 2669, 3879, 6465, 7065, 7327, 8007, 13345, 19395, 21981, 24021, 36635, 40035, 65943, 67667, 109905, 120105, 203001, 329715, 338335, 609003, 1015005, 1150339, 3045015, 3451017, 5751695, 10353051, 17255085, 51765255]

約数ペア:

[(1, 51765255), (3, 17255085), (5, 10353051), (9, 5751695), (15, 3451017), (17, 3045015), (45, 1150339), (51, 1015005), (85, 609003), (153, 338335), (157, 329715), (255, 203001), (431, 120105), (471, 109905), (765, 67667), (785, 65943), (1293, 40035), (1413, 36635), (2155, 24021), (2355, 21981), (2669, 19395), (3879, 13345), (6465, 8007), (7065, 7327)]