209747985003

素因数分解:

$3^3\times {\mathrm{53}}^1\times {\mathrm{331}}^1\times {\mathrm{442823}}^1$

素因数の和:443216

約数の個数: 32

約数和(自身を含む): 317557946880

約数和(自身を除く): 107809961877

約数列:

[1, 3, 9, 27, 53, 159, 331, 477, 993, 1431, 2979, 8937, 17543, 52629, 157887, 442823, 473661, 1328469, 3985407, 11956221, 23469619, 70408857, 146574413, 211226571, 439723239, 633679713, 1319169717, 3957509151, 7768443889, 23305331667, 69915995001, 209747985003]

約数ペア:

[(1, 209747985003), (3, 69915995001), (9, 23305331667), (27, 7768443889), (53, 3957509151), (159, 1319169717), (331, 633679713), (477, 439723239), (993, 211226571), (1431, 146574413), (2979, 70408857), (8937, 23469619), (17543, 11956221), (52629, 3985407), (157887, 1328469), (442823, 473661)]