539293587

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{8609}}^1$

素因数の和:8795

約数の個数: 32

約数和(自身を含む): 870643200

約数和(自身を除く): 331349613

約数列:

[1, 3, 7, 19, 21, 57, 133, 157, 399, 471, 1099, 2983, 3297, 8609, 8949, 20881, 25827, 60263, 62643, 163571, 180789, 490713, 1144997, 1351613, 3434991, 4054839, 9461291, 25680647, 28383873, 77041941, 179764529, 539293587]

約数ペア:

[(1, 539293587), (3, 179764529), (7, 77041941), (19, 28383873), (21, 25680647), (57, 9461291), (133, 4054839), (157, 3434991), (399, 1351613), (471, 1144997), (1099, 490713), (2983, 180789), (3297, 163571), (8609, 62643), (8949, 60263), (20881, 25827)]